Alright, let's work through 88700997 times 55152182 step by step
88700997 × 55152182 = 55152182 × (88700997)
+ 55152182 × 7 that results in 386065274
+ 55152182 × 90 yielding 4963696380
+ 55152182 × 900 producing 49636963800
+ 55152182 × 0000 what gives us 0
+ 55152182 × 00000 that results in 0
+ 55152182 × 700000 yielding 38606527400000
+ 55152182 × 8000000 that equals 441217456000000
+ 55152182 × 80000000 producing 4412174560000000

= 4892053530125454
