No problem, we've got 78287480 and 70378664 to multiply
78287480 × 70378664 = 70378664 × (78287480)
+ 70378664 × 0 giving us 0
+ 70378664 × 80 producing 5630293120
+ 70378664 × 400 that is equal 28151465600
+ 70378664 × 7000 giving us 492650648000
+ 70378664 × 80000 giving us 5630293120000
+ 70378664 × 200000 which equals 14075732800000
+ 70378664 × 8000000 that is equal 563029312000000
+ 70378664 × 70000000 yielding 4926506480000000

= 5509768250326720
