48 students from Class 4 of the third grade organized a trip to the People's Park. Each ticket was 6 yuan. The ticket office said: Every 10 tickets you buy can give you 1 ticket. How much does it cost to buy tickets?
三年级四班48名同学组织去人民公园游玩，每张门票6元，售票处写着：每买10张门票可以赠送1张票，买门票共需要多少钱？
<gadget id="calculator">40 * 6</gadget>
<output>240</output>

<gadget id="calculator">4 * 6</gadget>
<output>24</output>

<gadget id="calculator">240 + 24</gadget>
<output>264</output>

<result>264</result>