No problem, we've got 3151 and 9979 to multiply
3151 × 9979 = 9979 × (3151)
+ 9979 × 1 what gives us 9979
+ 9979 × 50 producing 498950
+ 9979 × 100 that results in 997900
+ 9979 × 3000 that equals 29937000

= 31443829
