Xiaoxiao saved 35 yuan of pocket money, and she donated 60% of it to the earthquake-stricken areas in Sichuan. How much did Xiaoxiao donate?
笑笑攒了35元零用钱，她拿出其中的60%捐给四川地震灾区，笑笑捐了多少钱？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">35 * (3/5)</gadget>
<output>21</output>

<result>21</result>