Overseas Chinese Cinema will play the movie "Harry Potter and the Goblet of Fire", and I want to watch it with my parents. If each ticket costs 18 yuan, how much will it cost in total?
华侨电影院将播放影片《哈利波特与火焰杯》，明明想和爸爸妈妈一起去看．如果每张票价18元，一共要花多少元钱．
<gadget id="calculator">18 * 3</gadget>
<output>54</output>

<result>54</result>