Alright, let's work through 3501 times 5210 step by step
3501 × 5210 = 5210 × (3501)
+ 5210 × 1 that results in 5210
+ 5210 × 00 producing 0
+ 5210 × 500 that is equal 2605000
+ 5210 × 3000 giving us 15630000

= 18240210
