The ratio of stamps collected by Longlong and Xiaoxiao is 3:5. Longlong collected 39 stamps, how many stamps did Xiaoxiao collect?
龙龙和小小收集的邮票张数的比是3：5．龙龙收集了39张邮票，小小收集的邮票有多少张？
<gadget id="calculator">39 / 3</gadget>
<output>13</output>

<gadget id="calculator">13 * 5</gadget>
<output>65</output>

<result>65</result>