7040
Because that is how maths work. 1760 x 31 = 54560
If 1760 represents yards
21 times -26
3672 * 21 = 77,112
You can do 7 times 3 and that will equal 21
1760 * 668 = 1,175,680
5280 * 1760 = 9,292,800
1760 * 762 = 1,341,120
1760 x 4.5 = 7920
1760 x 5 = 8800
21 is equal to 3 times 7.