The school held Chinese and Mathematics double-subject competitions. There were 59 students in the sixth grade, 36 people participated in the Chinese competition, 38 people participated in the math competition, 5 people did not participate in one subject, and how many people participated in both subjects.
学校举办语文、数学双科竞赛，六年级有59人，参加语文竞赛的有36人，参加数学竞赛的有38人，一科都没参加的有5人，双科都参加的有多少人．
<gadget id="calculator">64 - 54</gadget>
<output>10</output>

<result>10</result>