McDonald's has about 210,000 managers and each makes an average 39,000 dollars per year. How much money does McDonald's spend on managers each year?

All you need to do is multiply the number of managers (210,000) by the number of dollars each one makes (39000). The answer would be $819,000,000 a year. You would not divide, just multiply the numbers.

210,000 times 39,000 is 8,190,000,000 McDonald's spends $8,190,000,000 on managers each year.