No problem, we've got 6673724 and 80360522 to multiply
6673724 × 80360522 = 80360522 × (6673724)
+ 80360522 × 4 yielding 321442088
+ 80360522 × 20 yielding 1607210440
+ 80360522 × 700 giving us 56252365400
+ 80360522 × 3000 which equals 241081566000
+ 80360522 × 70000 that is equal 5625236540000
+ 80360522 × 600000 that is equal 48216313200000
+ 80360522 × 6000000 yielding 482163132000000

= 536303944323928
