It costs 36 yuan to subscribe to a TV program newspaper for half a year. Uncle Zhang wants to subscribe to a TV program newspaper for three quarters, how much does it cost?
订一份电视节目报半年需要36元，张叔叔想订阅三个季度的电视节目报，需要多少钱？
<gadget id="calculator">36 / 2</gadget>
<output>18</output>

<gadget id="calculator">18 * 3</gadget>
<output>54</output>

<result>54</result>