The base of a triangle is 2.5 cm and the height is 3.2 cm. What is the area of the triangle in square centimeters?
一个三角形底是2.5厘米，高3.2厘米，这个三角形的面积是多少平方厘米．
<gadget id="calculator">3.2 / 2</gadget>
<output>1.6</output>

<gadget id="calculator">2.5 * 1.6</gadget>
<output>4</output>

<result>4</result>