It took Xiaohong (2/3) hours to make 20 flowers, how many minutes does it take her to make one flower on average.
小红做20朵花用去(2/3)小时，则她平均做一朵花用多少分钟．
<gadget id="calculator">40 / 20</gadget>
<output>2</output>

<result>2</result>