In a right triangle, both right angles are 2.6cm. What is the area of this triangle in cm**2.
一个直角三角形，两条直角线都是2.6cm．这个三角形的面积是多少cm**2．
<gadget id="calculator">2.6 / 2</gadget>
<output>1.3</output>

<gadget id="calculator">2.6 * 1.3</gadget>
<output>3.38</output>

<result>3.38</result>