There are 16 people in a class participating in the mathematics interest group, accounting for 2/7 of the whole class. The number of people participating in the art group is (1/4) of the whole class. How many people are there in the art group?
一个班参加数学兴趣小组的人数有16人，占全班人数的(2/7)．参加美术小组的人数是全班人数的(1/4)，参加美术小组有多少人？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">16 / (2/7)</gadget>
<output>56</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">56 * (1/4)</gadget>
<output>14</output>

<result>14</result>