A factory has 64 people in the first workshop and 56 people in the second workshop. Due to work needs, the number of people in the first workshop is required to be half of that in the second workshop. How many people need to be transferred from the first workshop to the second workshop?
某厂一车间有64人，二车间有56人．现因工作需要，要求第一车间人数是第二车间人数的一半．问需从第一车间调多少人到第二车间？
<gadget id="calculator">64 + 56</gadget>
<output>120</output>

<gadget id="calculator">120 / 3</gadget>
<output>40</output>

<gadget id="calculator">64 - 40</gadget>
<output>24</output>

<result>24</result>