No problem, we've got 42472210 and 20504325 to multiply
42472210 × 20504325 = 20504325 × (42472210)
+ 20504325 × 0 resulting in 0
+ 20504325 × 10 which equals 205043250
+ 20504325 × 200 which equals 4100865000
+ 20504325 × 2000 which equals 41008650000
+ 20504325 × 70000 that equals 1435302750000
+ 20504325 × 400000 giving us 8201730000000
+ 20504325 × 2000000 giving us 41008650000000
+ 20504325 × 40000000 giving us 820173000000000

= 870863997308250
