#### Answer

The result of multiplying 3 by itself is 9, which is not an even number.

#### Work Step by Step

We need to find a counterexample to the statement that if if a number is multiplied by itself, the result is even.
To have one counterexample, we can simply pick any odd number, such as $3$.
$3*3=9$
9 is not an even number.
The result of multiplying 3 by itself is 9, which is not an even number.