Alright, let's work through 3694 times 3628 step by step
3694 × 3628 = 3628 × (3694)
+ 3628 × 4 what gives us 14512
+ 3628 × 90 giving us 326520
+ 3628 × 600 what gives us 2176800
+ 3628 × 3000 resulting in 10884000

= 13401832
