A triangle has the same area as a rectangle whose length is 12 decimeters and width is 6 decimeters. The base of the triangle is 9 decimeters long. What is its height?
一个三角形与一个长是12分米，宽是6分米的长方形面积相等，三角形底边长9分米，它的高是多少分米．
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">12 * 6 * (2/9)</gadget>
<output>16</output>

<result>16</result>