The area of a triangle is 8cm**2, the base is 2cm, and the height is cm.
一个三角形的面积是8cm**2，底是2cm，高是多少cm．
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">8 * 1</gadget>
<output>8</output>

<result>8</result>