A cylinder with a base radius of 5 cm and a length of 2 meters is cast into a cone with a base diameter of 8 decimeters. How tall is the cone?
把一个底面半径为5厘米，长为2米的圆柱，熔铸成一个底面直径是8分米的圆锥，圆锥有多高？
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">2 * 100</gadget>
<output>200</output>

<gadget id="calculator">8 * 10</gadget>
<output>80</output>

<gadget id="calculator">80 / 2</gadget>
<output>40</output>

<gadget id="calculator">40 ** 2</gadget>
<output>1_600</output>

<gadget id="calculator">3.14 * 1_600</gadget>
<output>5_024</output>

<gadget id="calculator">3 / 5_024</gadget>
<output>3/5_024 = around 0.000597</output>

<gadget id="calculator">3.14 * 25 * 200 * (3/5_024)</gadget>
<output>9.375</output>

<result>9.375</result>