No problem, we've got 1425 and 8680 to multiply
1425 × 8680 = 8680 × (1425)
+ 8680 × 5 that is equal 43400
+ 8680 × 20 that is equal 173600
+ 8680 × 400 that results in 3472000
+ 8680 × 1000 what gives us 8680000

= 12369000
