def multiply_strings(num1: str, num2: str) -> str:
# Convert strings to integers
n1 = int(num1)
n2 = int(num2)
# Perform multiplication
result = n1 * n2
# Convert result back to string
return str(result)
# Example usage
num1 = "123"
num2 = "456"
print("Result:", multiply_strings(num1, num2))
'''
run:
Result: 56088
'''