Question 880908
The volume of a cylinder is 
{{{V=(pi/4)D^2*L=127000/7.5=50800/3}}}
{{{(pi/4)(30^2)*L=50800/3}}}
{{{L=(50800/3)(4/pi)(1/900)}}}
{{{L=(508/3)(4/pi)(1/9)}}}
{{{L=2032/(27*pi)}}}