No problem, we've got 3982 and 8115 to multiply
3982 × 8115 = 8115 × (3982)
+ 8115 × 2 what gives us 16230
+ 8115 × 80 that equals 649200
+ 8115 × 900 what gives us 7303500
+ 8115 × 3000 that equals 24345000

= 32313930
