It is easier to see when you put commas in the correct positions...
2,000,000,000,000.
2000000000000 days
2000000000000 x 60000000000000 = 120000000000000000000000000
2000000000000. divided 12 equal = 166666666666.66666
2000000000000
3,020,000,000,000,000.
Two trillion
2000000000000 population
2000000000000
The answer is 200,000,000,000,000,000,000
Two Trillion! 'Cuz the zeros go up to billions then pass it with the Two so it would be trillion!
2 trillion
20000