No problem, we've got 4187 and 7894 to multiply
4187 × 7894 = 7894 × (4187)
+ 7894 × 7 what gives us 55258
+ 7894 × 80 what gives us 631520
+ 7894 × 100 that is equal 789400
+ 7894 × 4000 resulting in 31576000

= 33052178
