We're going to solve 5257 multiplied by 671
5257 × 671 = 671 × (5257)
+ 671 × 7 yielding 4697
+ 671 × 50 that results in 33550
+ 671 × 200 what gives us 134200
+ 671 × 5000 that is equal 3355000

= 3527447
