The number of people in the first workshop of the machinery factory is 320 more than that in the second workshop, and the number of people in the first workshop is (5/4) that of the second workshop. How many people are there in the two workshops?
机械厂第一车间的人数比第二车间多320人，第一车间的人数是第二车间的(5/4)，求两个车间共多少人？
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(5/4) - 1</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">320 / (1/4)</gadget>
<output>1_280</output>

<gadget id="calculator">1_280 + 320 + 1_280</gadget>
<output>2_880</output>

<result>2_880</result>