Alright, let's work through 3629 times 9820 step by step
3629 × 9820 = 9820 × (3629)
+ 9820 × 9 that is equal 88380
+ 9820 × 20 that is equal 196400
+ 9820 × 600 that equals 5892000
+ 9820 × 3000 resulting in 29460000

= 35636780
