diff --git a/src/vm/expr.cc b/src/vm/expr.cc
index 304a2eb..2470f42 100644
--- a/src/vm/expr.cc
+++ b/src/vm/expr.cc
@@ -24,6 +24,8 @@ static int init_ = []() {
 
     BIN_OP(Subtraction, Integer, Integer) { return Value::CreateInteger(a.as_integer() - b.as_integer()); };
 
+    BIN_OP(Multiplication, Integer, Integer) { return Value::CreateInteger(a.as_integer() * b.as_integer()); };
+
     BIN_OP(Division, Integer, Integer) { return Value::CreateFloat((float) a.as_integer() / (float) b.as_integer()); };
 
     BIN_OP(IntegerDivision, Integer, Integer) { return Value::CreateInteger(a.as_integer() / b.as_integer()); };
diff --git a/src/vm/tests.cc b/src/vm/tests.cc
index 61688fb..4786b03 100644
--- a/src/vm/tests.cc
+++ b/src/vm/tests.cc
@@ -93,7 +93,7 @@ TEST(VM, BasicCode)
     ASSERT_EQ(result, 5);
 }
 
-TEST(VM, SumIntegers)
+TEST(VM, IntegerIntegerOperations)
 {
     auto test_op = [](int32_t op1, int32_t op2, std::string oper) {
         return VM().load_bytecode(as::Assembler(std::format(R"(
@@ -107,6 +107,26 @@ TEST(VM, SumIntegers)
 
     ASSERT_EQ(test_op(2, 3, "sum"), 5);
     ASSERT_EQ(test_op(2, 3, "sub"), -1);
+    ASSERT_EQ(test_op(2, 3, "mul"), 6);
+    ASSERT_EQ(test_op(20, 3, "idiv"), 6);
+    ASSERT_EQ(test_op(2, 3, "eq"), 0);
+    ASSERT_EQ(test_op(2, 3, "neq"), 1);
+    ASSERT_EQ(test_op(2, 3, "lt"), 1);
+    ASSERT_EQ(test_op(2, 3, "lte"), 1);
+    ASSERT_EQ(test_op(3, 3, "lte"), 1);
+    ASSERT_EQ(test_op(4, 3, "lte"), 0);
+    ASSERT_EQ(test_op(2, 3, "gt"), 0);
+    ASSERT_EQ(test_op(2, 3, "gte"), 0);
+    ASSERT_EQ(test_op(3, 3, "gte"), 1);
+    ASSERT_EQ(test_op(4, 3, "gte"), 1);
+    ASSERT_EQ(test_op(2, 3, "and"), 2);
+    ASSERT_EQ(test_op(2, 3, "or"), 3);
+    ASSERT_EQ(test_op(2, 3, "xor"), 1);
+    ASSERT_EQ(test_op(2, 3, "pow"), 8);
+    ASSERT_EQ(test_op(2, 3, "shl"), 16);
+    ASSERT_EQ(test_op(30, 2, "shr"), 7);
+
+    // TODO - div
 }
 
 int main(int argc, char** argv)