No problem, we've got 20879388 and 47726428 to multiply
20879388 × 47726428 = 47726428 × (20879388)
+ 47726428 × 8 giving us 381811424
+ 47726428 × 80 resulting in 3818114240
+ 47726428 × 300 that results in 14317928400
+ 47726428 × 9000 producing 429537852000
+ 47726428 × 70000 yielding 3340849960000
+ 47726428 × 800000 that is equal 38181142400000
+ 47726428 × 0000000 that is equal 0
+ 47726428 × 20000000 yielding 954528560000000

= 996498608066064
