Alright, let's work through 83684705 times 69747648 step by step
83684705 × 69747648 = 69747648 × (83684705)
+ 69747648 × 5 resulting in 348738240
+ 69747648 × 00 resulting in 0
+ 69747648 × 700 resulting in 48823353600
+ 69747648 × 4000 resulting in 278990592000
+ 69747648 × 80000 giving us 5579811840000
+ 69747648 × 600000 that is equal 41848588800000
+ 69747648 × 3000000 which equals 209242944000000
+ 69747648 × 80000000 yielding 5579811840000000

= 5836811347323840
