The school drum team has a total of 143 members, and the ratio of the number of male members to the number of female members is 4:7. How many fewer male members than female members are there in the drum team?
学校鼓号队共有143名队员，其中男队员人数与女队员人数的比是4：7，鼓号队中男队员比女队员少多少人？
<gadget id="calculator">4 + 7</gadget>
<output>11</output>

<gadget id="calculator">4 / 11</gadget>
<output>4/11 = around 0.363636</output>

<gadget id="calculator">143 * (4/11)</gadget>
<output>52</output>

<gadget id="calculator">143 - 52 - 52</gadget>
<output>39</output>

<result>39</result>