2 × 6.67 × 10 − 11 × 5.97 × 10 24 6.37 × 10 6 {\displaystyle {\sqrt {\frac {2\times 6.67\times 10^{-11}\times 5.97\times 10^{24}}{6.37\times 10^{6}}}}}
See Manual:Comparison between ParserFunctions syntax and TeX syntax.