Among the 50 students in Class 4, 28 people like to eat bananas, 27 people like to eat apples, and 14 people like to eat both kinds of fruits. May I ask how many people do not like these two fruits?
四1班50人中有28人喜欢吃香蕉，27人喜欢吃苹果，14人两种水果都喜欢吃．请问有多少人喜欢的不是这两种水果？
<gadget id="calculator">27 + 28</gadget>
<output>55</output>

<gadget id="calculator">55 - 14</gadget>
<output>41</output>

<gadget id="calculator">50 - 41</gadget>
<output>9</output>

<result>9</result>