The base of a triangle is 8m, the height is 3.4m, what is its area m**2.
一个三角形的底是8m，高是3.4m，它的面积是多少m**2．
<gadget id="calculator">3.4 / 2</gadget>
<output>1.7</output>

<gadget id="calculator">8 * 1.7</gadget>
<output>13.6</output>

<result>13.6</result>