There are no more than 50 students in a class. In the afternoon, the whole class (2/9) participates in the competition, the whole class (1/5) participates in rope skipping, and the rest go to the movies. How many people go to the movies?
某班学生不超过50人，下午，全班的(2/9)的人参加比赛，全班(1/5)的人参加跳绳，剩下的去看电影，去看电影的有多少人．
<gadget id="calculator">9 * 5</gadget>
<output>45</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">45 * (2/9)</gadget>
<output>10</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">45 * (1/5)</gadget>
<output>9</output>

<gadget id="calculator">45 - 10 - 9</gadget>
<output>26</output>

<result>26</result>