Xiaoxiao and Chengcheng make an appointment to go to the cinema together on the weekend. The distance between their homes and the cinema is 1.8 kilometers. Xiaoxiao starts 12 minutes earlier (at a constant speed) than Chengcheng. When Cheng leaves, Xiaoxiao leaves the cinema. There are still 1.26 kilometers left. After Xiaoxiao arrives at the movie theater, it will take another 2 minutes for Cheng Cheng to arrive at the movie theater. How many minutes does it take for Cheng Cheng to get from his home to the movie theater?
小小和成成约好周末一起去电影院看电影，两人的家到电影院的距离都是1.8千米，小小比成成早出发(匀速)12分钟，当成成出发时，小小离电影院还有1.26千米，小小到电影院后，再过2分钟，成成才到电影院，成成从家到电影院需多少分钟．
<gadget id="calculator">1.8 * 1_000</gadget>
<output>1_800</output>

<gadget id="calculator">1.26 * 1_000</gadget>
<output>1_260</output>

<gadget id="calculator">1_800 - 1_260</gadget>
<output>540</output>

<gadget id="calculator">540 / 12</gadget>
<output>45</output>

<gadget id="calculator">1_800 / 45</gadget>
<output>40</output>

<gadget id="calculator">40 - 12</gadget>
<output>28</output>

<gadget id="calculator">28 + 2</gadget>
<output>30</output>

<result>30</result>