We're going to solve 3967 multiplied by 1135
3967 × 1135 = 1135 × (3967)
+ 1135 × 7 what gives us 7945
+ 1135 × 60 that equals 68100
+ 1135 × 900 yielding 1021500
+ 1135 × 3000 that is equal 3405000

= 4502545
