We're going to solve 3871 multiplied by 9985
3871 × 9985 = 9985 × (3871)
+ 9985 × 1 that is equal 9985
+ 9985 × 70 that results in 698950
+ 9985 × 800 producing 7988000
+ 9985 × 3000 what gives us 29955000

= 38651935
