Hope Primary School held a calligraphy exhibition. Calligraphy works of each grade were exhibited in the school window, of which 24 were not in the fifth grade, 22 were not in the sixth grade, and 10 calligraphy works were exhibited in the fifth and sixth grades. Others How many calligraphy works are exhibited in each grade?
希望小学举办书法展览，学校的橱窗里展出了每个年级的书法作品，其中有24幅不是五年级的，有22幅不是六年级的，五、六年级参展的书法作品共有10幅，其他年级参展的书法作品共有多少幅？
<gadget id="calculator">24 + 22 + 10</gadget>
<output>56</output>

<gadget id="calculator">56 / 2</gadget>
<output>28</output>

<gadget id="calculator">28 - 10</gadget>
<output>18</output>

<result>18</result>