Bonita said that the product of 56 × 123 is 73.

How can you tell that her answer is wrong?

to clarify what rrvj said, since both numbers are greater than 1, the answer must be greater than either of the numbers.

Or, since the last digits are 6 and 3, and 6*3 = 18, the product cannot end in a 3.

To verify if Bonita's answer is correct, we can perform the multiplication of 56 and 123 ourselves and compare the result with her claim.

56 multiplied by 123 can be calculated as:
56 × 123 = 6,888

Comparing this result with Bonita's claim that the product is 73, we can clearly see that her answer is incorrect.

bruh

your multiplying...
how can the product be less than one of the numbers your multiplying?
the only way the answer to an equation is less than one of the numbers being added, subtracted, multiplied, or divided, is if your doing subtraction, or division.
(there are other ways too but judging by your question your probably not there yet)