A printing factory planned to print 20,000 textbooks in April, but it printed 5,600 textbooks in 8 days. At this speed, how many textbooks can it print in April?
某印刷厂计划四月份印刷课本20000本，结果8天就印刷了5600本，照这样速度，四月份能印多少本？
<gadget id="calculator">5_600 / 8</gadget>
<output>700</output>

<gadget id="calculator">700 * 30</gadget>
<output>21_000</output>

<result>21_000</result>