No problem, we've got 9991 and 5092 to multiply
9991 × 5092 = 5092 × (9991)
+ 5092 × 1 that results in 5092
+ 5092 × 90 yielding 458280
+ 5092 × 900 what gives us 4582800
+ 5092 × 9000 producing 45828000

= 50874172
