We're going to solve 4721 multiplied by 1590
4721 × 1590 = 1590 × (4721)
+ 1590 × 1 that results in 1590
+ 1590 × 20 yielding 31800
+ 1590 × 700 which equals 1113000
+ 1590 × 4000 that is equal 6360000

= 7506390
