Alright, let's work through 75918843 times 55017091 step by step
75918843 × 55017091 = 55017091 × (75918843)
+ 55017091 × 3 that is equal 165051273
+ 55017091 × 40 that equals 2200683640
+ 55017091 × 800 producing 44013672800
+ 55017091 × 8000 that equals 440136728000
+ 55017091 × 10000 resulting in 550170910000
+ 55017091 × 900000 that results in 49515381900000
+ 55017091 × 5000000 giving us 275085455000000
+ 55017091 × 70000000 giving us 3851196370000000

= 4176833893945713
