Alright, let's work through 83609342 times 2589836 step by step
83609342 × 2589836 = 2589836 × (83609342)
+ 2589836 × 2 that results in 5179672
+ 2589836 × 40 resulting in 103593440
+ 2589836 × 300 that results in 776950800
+ 2589836 × 9000 giving us 23308524000
+ 2589836 × 00000 resulting in 0
+ 2589836 × 600000 what gives us 1553901600000
+ 2589836 × 3000000 yielding 7769508000000
+ 2589836 × 80000000 that results in 207186880000000

= 216534483847912
