There are 36 story books in one set, and they will be distributed to Xiaoli and Xiaohua according to the ratio of 5:7. Then, how many books can Xiaoli get.
一套故事书共有36本，按5：7分给小丽和小华，那么，小丽能得到多少本．
<gadget id="calculator">5 + 7</gadget>
<output>12</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">36 * (5/12)</gadget>
<output>15</output>

<result>15</result>