No problem, we've got 3125 and 2920 to multiply
3125 × 2920 = 2920 × (3125)
+ 2920 × 5 that is equal 14600
+ 2920 × 20 what gives us 58400
+ 2920 × 100 that is equal 292000
+ 2920 × 3000 what gives us 8760000

= 9125000
