The height of a triangle is 6 cm, the base is 1.8 cm, what is the area in square centimeters?
一个三角形的高是6厘米，底是1.8厘米，面积是多少平方厘米．
<gadget id="calculator">1.8 / 2</gadget>
<output>0.9</output>

<gadget id="calculator">6 * 0.9</gadget>
<output>5.4</output>

<result>5.4</result>