The area of the triangle is 2.7cm**2, the base length is 1.5cm, and the height is cm.
三角形的面积是2.7cm**2，底长1.5cm，高是多少cm．
<gadget id="calculator">2 / 1.5</gadget>
<output>1.333333</output>

<gadget id="calculator">2.7 * 1.333333</gadget>
<output>3.599999</output>

<result>3.599999</result>