A DVD manufacturer produced 560 DVDs in July this year, an increase (2/5) compared to June. How many DVDs were produced in June?
某DVD厂家今年7月份生产DVD560台，比六月份增产(2/5)，六月份生产了多少台？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">560 / (7/5)</gadget>
<output>400</output>

<result>400</result>