How much can 64/8=8, 72/8=9, 8+9=17 be listed as a comprehensive formula
把64/8=8，72/8=9，8+9=17列成一个综合算式可以是多少
<gadget id="calculator">64 / 8</gadget>
<output>8</output>

<gadget id="calculator">72 / 8</gadget>
<output>9</output>

<gadget id="calculator">8 + 9</gadget>
<output>17</output>

<result>17</result>