No problem, we've got 1780 and 7170 to multiply
1780 × 7170 = 7170 × (1780)
+ 7170 × 0 resulting in 0
+ 7170 × 80 what gives us 573600
+ 7170 × 700 that equals 5019000
+ 7170 × 1000 producing 7170000

= 12762600
