Alright, let's work through 9621 times 1373 step by step
9621 × 1373 = 1373 × (9621)
+ 1373 × 1 that equals 1373
+ 1373 × 20 what gives us 27460
+ 1373 × 600 that results in 823800
+ 1373 × 9000 which equals 12357000

= 13209633
