Wande Porcelain Factory produced 600,000 pieces of porcelain in March, which was 1/4 more than in February. How many more pieces were produced in March than in February?
万德瓷厂三月份生产瓷器60万件，比二月份多(1/4)，三月份比二月份多生产多少万件？
<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">60 / (5/4)</gadget>
<output>48</output>

<gadget id="calculator">60 - 48</gadget>
<output>12</output>

<result>12</result>