No problem, we've got 70455585 and 25379475 to multiply
70455585 × 25379475 = 25379475 × (70455585)
+ 25379475 × 5 which equals 126897375
+ 25379475 × 80 which equals 2030358000
+ 25379475 × 500 what gives us 12689737500
+ 25379475 × 5000 producing 126897375000
+ 25379475 × 50000 that is equal 1268973750000
+ 25379475 × 400000 giving us 10151790000000
+ 25379475 × 0000000 yielding 0
+ 25379475 × 70000000 that equals 1776563250000000

= 1788125758117875
