Alright, let's work through 2242 times 7821 step by step
2242 × 7821 = 7821 × (2242)
+ 7821 × 2 that is equal 15642
+ 7821 × 40 yielding 312840
+ 7821 × 200 that equals 1564200
+ 7821 × 2000 that equals 15642000

= 17534682
