The area of a triangle is 6cm**2, the length of the base is 3cm, and the height is cm.
一个三角形的面积是6cm**2，底边长3cm，高是多少cm．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">6 * (2/3)</gadget>
<output>4</output>

<result>4</result>