Alright, let's work through 18515479 times 88115482 step by step
18515479 × 88115482 = 88115482 × (18515479)
+ 88115482 × 9 that results in 793039338
+ 88115482 × 70 yielding 6168083740
+ 88115482 × 400 that equals 35246192800
+ 88115482 × 5000 giving us 440577410000
+ 88115482 × 10000 that is equal 881154820000
+ 88115482 × 500000 giving us 44057741000000
+ 88115482 × 8000000 that is equal 704923856000000
+ 88115482 × 10000000 that equals 881154820000000

= 1631500356545878
