There are 585 boys and 540 girls in Xinguang Primary School. The chorus team accounts for 4/45 of the whole school. After transferring 20 people to join the dance team, the remaining people are just the number of sixth graders (8/17). How many people are in the sixth grade?
新光小学有男生585人，女生540人，合唱队人数占全校人数的(4/45)，又调走20人参加舞蹈队后，剩下的人刚好是六年级人数的(8/17)，六年级有多少人？
<gadget id="calculator">585 + 540</gadget>
<output>1_125</output>

<gadget id="calculator">4 / 45</gadget>
<output>4/45 = around 0.088889</output>

<gadget id="calculator">1_125 * (4/45)</gadget>
<output>100</output>

<gadget id="calculator">100 - 20</gadget>
<output>80</output>

<gadget id="calculator">8 / 17</gadget>
<output>8/17 = around 0.470588</output>

<gadget id="calculator">80 / (8/17)</gadget>
<output>170</output>

<result>170</result>