The base of a triangle is 3.8dm. The height of this bottom is 1.6dm, what is its area dm**2.
一个三角形的底是3.8dm．这条底上的高是1.6dm，它的面积是多少dm**2．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 3.8 * 1.6</gadget>
<output>3.04</output>

<result>3.04</result>