Star Furniture Factory produced a batch of furniture, 160 sets were produced in the first half of May, and the production in the second half was equivalent to the full month plan (9/20). As a result, 25% of the full month was overfulfilled. How many sets of furniture does the furniture factory plan to produce in May?
星星家具厂生产一批家具，五月份上半月生产了160套，下半月生产的相当于全月计划的(9/20)，结果全月超额完成25%．家具厂五月份计划生产家具几套？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">9 / 20</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">(1/4) - (9/20)</gadget>
<output>-1/5 = around -0.2</output>

<gadget id="calculator">1 + (-1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">160 / (4/5)</gadget>
<output>200</output>

<result>200</result>