certain elementary school held a spring sports meeting. There were 38 participants in the third grade, twice as many participants in the fourth grade as in the third grade, 20 fewer participants in the fifth grade than the total number of the third and fourth grades, and twice as many in the sixth grade as the fifth grade. , how many people in the sixth grade participate?
某小学举办春季运动会，三年级有38人参加，四年级参加的人数是三年级的2倍，五年级参加的人数比三、四年级的总人数少20人，六年级是五年级的2倍，六年级有多少人参加？
<gadget id="calculator">38 * 2</gadget>
<output>76</output>

<gadget id="calculator">76 - 20</gadget>
<output>56</output>

<gadget id="calculator">38 + 56</gadget>
<output>94</output>

<gadget id="calculator">94 * 2</gadget>
<output>188</output>

<result>188</result>