The area of a triangle is 12dm**2, the base is 20cm, how many decimeters is the height?
一个三角形面积是12dm**2，底是20cm，高是多少分米？
<gadget id="calculator">20 / 10</gadget>
<output>2</output>

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

<gadget id="calculator">12 * 1</gadget>
<output>12</output>

<result>12</result>