Alright, let's work through 8409031 times 9761688 step by step
8409031 × 9761688 = 9761688 × (8409031)
+ 9761688 × 1 that results in 9761688
+ 9761688 × 30 yielding 292850640
+ 9761688 × 000 that is equal 0
+ 9761688 × 9000 giving us 87855192000
+ 9761688 × 00000 that results in 0
+ 9761688 × 400000 what gives us 3904675200000
+ 9761688 × 8000000 giving us 78093504000000

= 82086337004328
