The number of people in the school chorus group is the art group (7/8), and the number of calligraphy groups is the chorus group (3/4). It is known that there are 32 people in the art group, how many people are there in the calligraphy group?
学校合唱组人数是美术组的(7/8)，书法组人数是合唱组的(3/4)，已知美术组有32人，书法组有多少人？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(7/8) * (3/4)</gadget>
<output>21/32 = around 0.65625</output>

<gadget id="calculator">32 * (21/32)</gadget>
<output>21</output>

<result>21</result>