If the base of a triangle is 3.6 meters and the height is 2.5 meters, what is its area in square meters?
一个三角形的底是3.6米，高是2.5米，它的面积是多少平方米．
<gadget id="calculator">2.5 / 2</gadget>
<output>1.25</output>

<gadget id="calculator">3.6 * 1.25</gadget>
<output>4.5</output>

<result>4.5</result>