A piece of cloth with a length of 24 meters has been used (5/6), how many meters have been used?
一块长24米的布，已经用去了(5/6)，用去了多少米？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">24 * (5/6)</gadget>
<output>20</output>

<result>20</result>