I assume that the length of the rectangle is 8 inch more than width .
Formula
Area = L*w
Hint : To find the area of a rectangle , multiply the length times the width
I hope that's help !
-201+189=-12-201=-213+189=-24 . S the sign would be negative(-).
200,000,000+8,000,000+400+70+8=208,000,478