In the fifth grade, 28 people participated in the calligraphy interest group, and in the sixth grade, the number of participants was 8 times less than that in the fifth grade. How many people in the fifth and sixth grades participated in the calligraphy interest group?
五年级有28人参加书法兴趣小组，六年级参加的人数比五年级的2倍少8人，五、六年级参加书法兴趣小组一共多少人？
<gadget id="calculator">28 * 2</gadget>
<output>56</output>

<gadget id="calculator">56 - 8</gadget>
<output>48</output>

<gadget id="calculator">48 + 28</gadget>
<output>76</output>

<result>76</result>