Li Na saved 18 yuan and donated (5/6) to the children in the disaster area. How much did she donate?
李娜攒了18元钱，给灾区小朋友捐了(5/6)，捐了多少钱？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">18 * (5/6)</gadget>
<output>15</output>

<result>15</result>