The printing factory planned to print 1,350 books per day, but actually printed 7,000 books in 5 days. How many more books were actually printed per day than planned?
印刷厂计划每天印1350本书，实际5天印了7000本，实际每天比计划多印多少本？
<gadget id="calculator">7_000 / 5</gadget>
<output>1_400</output>

<gadget id="calculator">1_400 - 1_350</gadget>
<output>50</output>

<result>50</result>