If a triangle with an area of 12 square decimeters has a height of 4 decimeters, what is the base corresponding to the height?
面积为12平方分米的三角形，如果高是4分米，则与这条高对应的底是多少分米．
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">12 * (1/2)</gadget>
<output>6</output>

<result>6</result>