The area of a triangle is 3.1 square meters, and the base is 9 meters. How many is right with this base?
一个三角形面积是3.1方米，底是9米，与这底对的是少？
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">35.1 * (2/9)</gadget>
<output>7.8</output>

<result>7.8</result>