No problem, we've got 79705495 and 15679278 to multiply
79705495 × 15679278 = 15679278 × (79705495)
+ 15679278 × 5 giving us 78396390
+ 15679278 × 90 which equals 1411135020
+ 15679278 × 400 that results in 6271711200
+ 15679278 × 5000 resulting in 78396390000
+ 15679278 × 00000 producing 0
+ 15679278 × 700000 that results in 10975494600000
+ 15679278 × 9000000 that is equal 141113502000000
+ 15679278 × 70000000 yielding 1097549460000000

= 1249724614232610
