Mr. Li paid 100 yuan for 4 copies of "Fairy Tale King", and the salesperson's aunt gave him 36 yuan. How much is each "Fairy Tale King"?
李老师买4本《童话大王》付了100元，营业员阿姨找给他36元．每本《童话大王》多少元？
<gadget id="calculator">100 - 36</gadget>
<output>64</output>

<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<result>16</result>