There are 98 people in a certain grade, of which 28 people participated in the mathematics group, 16 people participated in the English group, 36 people participated in the biology group, 14 people participated in both mathematics and biology groups, and 5 people participated in both English participated in the mathematics group, 9 people participated in both the English and the biology group, and 26 people did not participate in the three groups, so how many people participated in the three groups?
某年级共有98人，其中有28人参加了数学小组，有16人参加了英语小组，有36人参加了生物小组，有14人既参加了数学又参加了生物小组，有5人既参加了英语又参加了数学小组，有9人既参加了英语又参加了生物小组，而三个小组都未参加的有26人，那么三个小组都参加的有多少人？
<gadget id="calculator">98 - 26</gadget>
<output>72</output>

<gadget id="calculator">28 + 16 + 36</gadget>
<output>80</output>

<gadget id="calculator">80 - 18</gadget>
<output>62</output>

<gadget id="calculator">72 - 62</gadget>
<output>10</output>

<result>10</result>