Alright, let's work through 7885 times 6637 step by step
7885 × 6637 = 6637 × (7885)
+ 6637 × 5 that results in 33185
+ 6637 × 80 that results in 530960
+ 6637 × 800 resulting in 5309600
+ 6637 × 7000 giving us 46459000

= 52332745
