The area of a triangle is 9㎡, the height is 3m, what is the base.
一个三角形的面积是9㎡，高是3m，底是多少．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">9 * (2/3)</gadget>
<output>6</output>

<result>6</result>