Calculate the area of the triangle: base 10.6 decimeters, height 7 decimeters.
计算三角形面积：底10.6分米，高7分米．
<gadget id="calculator">7 / 2</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">10.6 * (7/2)</gadget>
<output>37.1</output>

<result>37.1</result>