A triangle whose height is 1.2 decimeters is twice the corresponding base, what is its area in square decimeters?
一个三角形，高是1.2分米，是相对应的底的2倍，则它的面积是多少平方分米．
<gadget id="calculator">1.2 / 2</gadget>
<output>0.6</output>

<gadget id="calculator">0.6 * 0.6</gadget>
<output>0.36</output>

<result>0.36</result>