I think you are right !!!!! I am also little bit confused!
The numbers that are called in multiplication are called factors. Multiplying factors together will create a product.
Check the picture below.
so... you can pretty much see how long RS and QT are, you can just count the units off the grid.
now, let's find QR's length

and let's also find the length for ST

so, add the lengths of all sides, and that's the perimeter of the trapezoid.