Xiaoli spent 3.3 yuan to buy 5 pears, how much does it cost to buy 18 pears now?
小丽买5个梨用去3.3元，现在购买18个梨需要多少元．
<gadget id="calculator">3.3 / 5</gadget>
<output>0.66</output>

<gadget id="calculator">0.66 * 18</gadget>
<output>11.88</output>

<result>11.88</result>