Alright, let's work through 27972743 times 83507181 step by step
27972743 × 83507181 = 83507181 × (27972743)
+ 83507181 × 3 what gives us 250521543
+ 83507181 × 40 producing 3340287240
+ 83507181 × 700 producing 58455026700
+ 83507181 × 2000 yielding 167014362000
+ 83507181 × 70000 that is equal 5845502670000
+ 83507181 × 900000 that equals 75156462900000
+ 83507181 × 7000000 which equals 584550267000000
+ 83507181 × 20000000 giving us 1670143620000000

= 2335924912767483
