Alright, let's work through 81784013 times 98750100 step by step
81784013 × 98750100 = 98750100 × (81784013)
+ 98750100 × 3 what gives us 296250300
+ 98750100 × 10 that equals 987501000
+ 98750100 × 000 that is equal 0
+ 98750100 × 4000 that equals 395000400000
+ 98750100 × 80000 which equals 7900008000000
+ 98750100 × 700000 that results in 69125070000000
+ 98750100 × 1000000 giving us 98750100000000
+ 98750100 × 80000000 producing 7900008000000000

= 8076179462151300
