No problem, we've got 1370 and 7680 to multiply
1370 × 7680 = 7680 × (1370)
+ 7680 × 0 which equals 0
+ 7680 × 70 that is equal 537600
+ 7680 × 300 that results in 2304000
+ 7680 × 1000 what gives us 7680000

= 10521600
