Alright, let's work through 99438709 times 21040124 step by step
99438709 × 21040124 = 21040124 × (99438709)
+ 21040124 × 9 yielding 189361116
+ 21040124 × 00 that results in 0
+ 21040124 × 700 yielding 14728086800
+ 21040124 × 8000 that results in 168320992000
+ 21040124 × 30000 producing 631203720000
+ 21040124 × 400000 giving us 8416049600000
+ 21040124 × 9000000 giving us 189361116000000
+ 21040124 × 90000000 which equals 1893611160000000

= 2092202767759916
