This is how many toddlers I could realistically beat at volleyball

How did you calculate this lol?

X/y + z
X = the mass of Jupiter
y = the mass of an average three year old
Z = 5

I see

One hundred thirty-five septillion, five hundred seventy-one sextillion, four hundred twenty-eight quintillion, five hundred seventy-one quadrillion, four hundred twenty-eight trillion, five hundred seventy-one billion, four hundred thirty-three and five hundred seventy-one thousandths.

Why is there a .571