Alright, let's work through 98830814 times 53001158 step by step
98830814 × 53001158 = 53001158 × (98830814)
+ 53001158 × 4 yielding 212004632
+ 53001158 × 10 producing 530011580
+ 53001158 × 800 that results in 42400926400
+ 53001158 × 0000 that results in 0
+ 53001158 × 30000 that results in 1590034740000
+ 53001158 × 800000 giving us 42400926400000
+ 53001158 × 8000000 that results in 424009264000000
+ 53001158 × 90000000 what gives us 4770104220000000

= 5238147588082612
