No problem, we've got 3151 and 1216 to multiply
3151 × 1216 = 1216 × (3151)
+ 1216 × 1 that equals 1216
+ 1216 × 50 that equals 60800
+ 1216 × 100 what gives us 121600
+ 1216 × 3000 what gives us 3648000

= 3831616
