A rectangle is 15 meters long and its width is long (8/15), what is the area of this rectangle?
一个长方形长15米，宽是长的(8/15)，这个长方形的面积是多少？
<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">15 * (8/15)</gadget>
<output>8</output>

<gadget id="calculator">15 * 8</gadget>
<output>120</output>

<result>120</result>