It costs 16 yuan to subscribe to a TV newspaper for half a year. Uncle Zhang wants to subscribe to a TV newspaper for three quarters. How much does it cost?
订一份电视报半年需16元，张叔叔想订阅三个季度的电视报，需要多少钱？
<gadget id="calculator">16 / 2</gadget>
<output>8</output>

<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<result>24</result>