No problem, we've got 12253920 and 18007331 to multiply
12253920 × 18007331 = 18007331 × (12253920)
+ 18007331 × 0 giving us 0
+ 18007331 × 20 that results in 360146620
+ 18007331 × 900 that equals 16206597900
+ 18007331 × 3000 giving us 54021993000
+ 18007331 × 50000 giving us 900366550000
+ 18007331 × 200000 resulting in 3601466200000
+ 18007331 × 2000000 producing 36014662000000
+ 18007331 × 10000000 resulting in 180073310000000

= 220660393487520
