Alright, let's work through 6587 times 3163 step by step
6587 × 3163 = 3163 × (6587)
+ 3163 × 7 that equals 22141
+ 3163 × 80 that results in 253040
+ 3163 × 500 what gives us 1581500
+ 3163 × 6000 what gives us 18978000

= 20834681
