Let's calculate 7221 x 6542
7221 × 6542 = 6542 × (7221)
+ 6542 × 1 what gives us 6542
+ 6542 × 20 resulting in 130840
+ 6542 × 200 what gives us 1308400
+ 6542 × 7000 that is equal 45794000

= 47239782
