Since you are using a computer you have a calculator available for you to use:
Click [START] - click [RUN] - type "calc" - hit [ENTER]
Answer: 714.285714
0.0001
0.001
166666666.6667
0.3333
10000
0.0494
700000
0
0.0005
10
70% of 700000 = 70% * 700000 = 0.7 * 700000 = 490,000
900 + 500000000 = 500000900