Alright, let's work through 1688 times 8730 step by step
1688 × 8730 = 8730 × (1688)
+ 8730 × 8 what gives us 69840
+ 8730 × 80 resulting in 698400
+ 8730 × 600 what gives us 5238000
+ 8730 × 1000 giving us 8730000

= 14736240
