-6.67*10^-11*((500*6*10^24)/(6378000+20000000))--6.67*10^-11*((500*6*10^24)/(6378000+10000000))

Input interpretation

-6.67×10^(-11)×(500×6×10^24)/(6378000 + 20000000) - -6.67×10^(-11)×(500×6×10^24)/(6378000 + 10000000)

Result

4631741977

Number line

Number line

Rational approximation

500250000000000000/108004721 = 4631741977 + 30126583/108004721

Comparison

≈ 0.043 × the number of people who have ever lived (≈ 1.1×10^11)
≈ 0.59 × the number of people alive today (≈ 7.8×10^9)