No problem, we've got 3143 and 8231 to multiply
3143 × 8231 = 8231 × (3143)
+ 8231 × 3 what gives us 24693
+ 8231 × 40 giving us 329240
+ 8231 × 100 producing 823100
+ 8231 × 3000 producing 24693000

= 25870033
