Alright, let's work through 99920230 times 55970657 step by step
99920230 × 55970657 = 55970657 × (99920230)
+ 55970657 × 0 resulting in 0
+ 55970657 × 30 which equals 1679119710
+ 55970657 × 200 resulting in 11194131400
+ 55970657 × 0000 that is equal 0
+ 55970657 × 20000 giving us 1119413140000
+ 55970657 × 900000 that is equal 50373591300000
+ 55970657 × 9000000 giving us 503735913000000
+ 55970657 × 90000000 producing 5037359130000000

= 5592600920691110
