5 workers produce 5 machine tools in 5 days. Now there are 25 machine tools to be completed within 25 days. How many workers are needed?
5个工人5天生产机床5台，现在有25台机床要在25天内完成，需要工人多少人．
<gadget id="calculator">5 / 5 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) * 25</gadget>
<output>5</output>

<gadget id="calculator">25 / 5</gadget>
<output>5</output>

<result>5</result>