There are 35 sixth-grade students in Yonghong primary school who participated in extracurricular activities in the biology group, and those who participated in the microcomputer group were from the biology group (4/5) and from the art group (7/8). How many people are there in the art group?
永红小学六年级学生参加课外活动生物组的有35人，参加微机组的人数是生物组的(4/5)，又是美术组的(7/8)．美术组有多少人？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">(4/5) / (7/8)</gadget>
<output>32/35 = around 0.914286</output>

<gadget id="calculator">35 * (32/35)</gadget>
<output>32</output>

<result>32</result>