No problem, we've got 16138172 and 8388680 to multiply
16138172 × 8388680 = 8388680 × (16138172)
+ 8388680 × 2 that results in 16777360
+ 8388680 × 70 resulting in 587207600
+ 8388680 × 100 yielding 838868000
+ 8388680 × 8000 that equals 67109440000
+ 8388680 × 30000 which equals 251660400000
+ 8388680 × 100000 that results in 838868000000
+ 8388680 × 6000000 which equals 50332080000000
+ 8388680 × 10000000 giving us 83886800000000

= 135377960692960
