Let's calculate 8688 x 2130
8688 × 2130 = 2130 × (8688)
+ 2130 × 8 that is equal 17040
+ 2130 × 80 that is equal 170400
+ 2130 × 600 yielding 1278000
+ 2130 × 8000 that results in 17040000

= 18505440
