Lele made a cylindrical mold with plasticine, and later he cut the mold into the largest cone. The volume of the cut part is (5/3) cubic meters. What is the volume of this cone?
乐乐用橡皮泥做了一个圆柱形模具，后来他又将模具削成一个最大的圆锥，削去部分的体积是(5/3)立方米，这个圆锥的体积是多少立方米．
<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(5/3) * (1/2)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>