Alright, let's work through 99602257 times 83223879 step by step
99602257 × 83223879 = 83223879 × (99602257)
+ 83223879 × 7 giving us 582567153
+ 83223879 × 50 that is equal 4161193950
+ 83223879 × 200 that results in 16644775800
+ 83223879 × 2000 giving us 166447758000
+ 83223879 × 00000 that is equal 0
+ 83223879 × 600000 producing 49934327400000
+ 83223879 × 9000000 giving us 749014911000000
+ 83223879 × 90000000 that equals 7490149110000000

= 8289286184694903
