Alright, let's work through 71110391 times 1040198 step by step
71110391 × 1040198 = 1040198 × (71110391)
+ 1040198 × 1 which equals 1040198
+ 1040198 × 90 which equals 93617820
+ 1040198 × 300 what gives us 312059400
+ 1040198 × 0000 producing 0
+ 1040198 × 10000 yielding 10401980000
+ 1040198 × 100000 producing 104019800000
+ 1040198 × 1000000 that equals 1040198000000
+ 1040198 × 70000000 that results in 72813860000000

= 73968886497418
