The base of the triangle is 13.5 cm, the height is 3.2 cm, what is the area in square centimeters?
三角形的底是13.5厘米，高是3.2厘米，面积是多少平方厘米．
<gadget id="calculator">3.2 / 2</gadget>
<output>1.6</output>

<gadget id="calculator">13.5 * 1.6</gadget>
<output>21.6</output>

<result>21.6</result>