Wande Porcelain Factory produced 300,000 pieces of porcelain in March, equivalent to February (5/4). How many more pieces were produced in March than in February?
万德瓷厂三月份生产瓷器30万件，相当于二月份的(5/4)，三月份比二月份多生产多少万件？
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">30 / (5/4)</gadget>
<output>24</output>

<gadget id="calculator">30 - 24</gadget>
<output>6</output>

<result>6</result>