A cylinder of steel has a base diameter of 1 decimeter and a volume of 15.7 cubic decimeters. What is its height in meters?
一根圆柱形钢材，它的底面直径是1分米，体积是15.7立方分米，它的高是多少米？
<gadget id="calculator">15.7 / 0.785</gadget>
<output>20</output>

<gadget id="calculator">20 / 10</gadget>
<output>2</output>

<result>2</result>