Alright, let's work through 3624340 times 76698655 step by step
3624340 × 76698655 = 76698655 × (3624340)
+ 76698655 × 0 what gives us 0
+ 76698655 × 40 resulting in 3067946200
+ 76698655 × 300 what gives us 23009596500
+ 76698655 × 4000 yielding 306794620000
+ 76698655 × 20000 which equals 1533973100000
+ 76698655 × 600000 which equals 46019193000000
+ 76698655 × 3000000 giving us 230095965000000

= 277982003262700
