Alright, let's work through 3501 times 1387 step by step
3501 × 1387 = 1387 × (3501)
+ 1387 × 1 yielding 1387
+ 1387 × 00 giving us 0
+ 1387 × 500 yielding 693500
+ 1387 × 3000 giving us 4161000

= 4855887
