gravity22

>>> gravity(130,488)
11.05625
>>> _*6
66.3375
>>> _*6
398.02500000000003
>>> _*6
2388.15
>>> _*6
14328.900000000001
>>> 1/_
6.978902776905414e-05
>>> 14328.900000000001-14400
-71.09999999999854
>>>