No problem, we've got 9940 and 8231 to multiply
9940 × 8231 = 8231 × (9940)
+ 8231 × 0 yielding 0
+ 8231 × 40 that results in 329240
+ 8231 × 900 yielding 7407900
+ 8231 × 9000 yielding 74079000

= 81816140
