No problem, we've got 18127132 and 21942850 to multiply
18127132 × 21942850 = 21942850 × (18127132)
+ 21942850 × 2 which equals 43885700
+ 21942850 × 30 giving us 658285500
+ 21942850 × 100 producing 2194285000
+ 21942850 × 7000 that equals 153599950000
+ 21942850 × 20000 what gives us 438857000000
+ 21942850 × 100000 that is equal 2194285000000
+ 21942850 × 8000000 that is equal 175542800000000
+ 21942850 × 10000000 that results in 219428500000000

= 397760938406200
