No problem, we've got 79855742 and 99829482 to multiply
79855742 × 99829482 = 99829482 × (79855742)
+ 99829482 × 2 yielding 199658964
+ 99829482 × 40 that equals 3993179280
+ 99829482 × 700 that results in 69880637400
+ 99829482 × 5000 giving us 499147410000
+ 99829482 × 50000 giving us 4991474100000
+ 99829482 × 800000 giving us 79863585600000
+ 99829482 × 9000000 giving us 898465338000000
+ 99829482 × 70000000 that equals 6988063740000000

= 7971957358585644
