Alright, let's work through 90918982 times 31718953 step by step
90918982 × 31718953 = 31718953 × (90918982)
+ 31718953 × 2 that results in 63437906
+ 31718953 × 80 giving us 2537516240
+ 31718953 × 900 that equals 28547057700
+ 31718953 × 8000 that results in 253751624000
+ 31718953 × 10000 that equals 317189530000
+ 31718953 × 900000 what gives us 28547057700000
+ 31718953 × 0000000 yielding 0
+ 31718953 × 90000000 what gives us 2854705770000000

= 2883854916865846
