We're going to solve 1573 multiplied by 7821
1573 × 7821 = 7821 × (1573)
+ 7821 × 3 which equals 23463
+ 7821 × 70 which equals 547470
+ 7821 × 500 that equals 3910500
+ 7821 × 1000 that is equal 7821000

= 12302433
