The office bought a batch of copy paper, and planned to use 60 sheets per day, which can be used for 20 days. Due to the emphasis on saving paper, it actually took 25 days. How many sheets of paper were actually used per day?
办公室买进一批复印纸，计划每天用60张，可以用20天．由于重视了节约用纸，实际用了25天，实际每天用了多少张纸？
<gadget id="calculator">20 / 25</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">60 * (4/5)</gadget>
<output>48</output>

<result>48</result>