A home appliance shopping mall originally had 32 salespersons and 3 delivery personnel. Since the sales season has entered, the manager decided to transfer personnel from the salespersons to supplement the delivery personnel, so that the delivery personnel accounted for a quarter of the number of salespersons. How many people are drawn from the middle to add to the delivery staff?
某家电商场原有营业员32人，送货人员3员，由于进入了销售旺季，经理决定从营业员中抽调人员补充送货人员，使送货人员为营业员人数的四分之一，请问经理从营业员中抽调多少人补充到送货人员中？
<gadget id="calculator">32 + 3</gadget>
<output>35</output>

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

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">35 / (5/4)</gadget>
<output>28</output>

<gadget id="calculator">32 - 28</gadget>
<output>4</output>

<result>4</result>