No problem, we've got 2131 and 6236 to multiply
2131 × 6236 = 6236 × (2131)
+ 6236 × 1 that is equal 6236
+ 6236 × 30 what gives us 187080
+ 6236 × 100 resulting in 623600
+ 6236 × 2000 which equals 12472000

= 13288916
