Alright, let's work through 6187 times 6345 step by step
6187 × 6345 = 6345 × (6187)
+ 6345 × 7 that equals 44415
+ 6345 × 80 what gives us 507600
+ 6345 × 100 that results in 634500
+ 6345 × 6000 what gives us 38070000

= 39256515
