Alright, let's work through 6309 times 6860 step by step
6309 × 6860 = 6860 × (6309)
+ 6860 × 9 producing 61740
+ 6860 × 00 that is equal 0
+ 6860 × 300 giving us 2058000
+ 6860 × 6000 which equals 41160000

= 43279740
