It used to take 24 hours for a worker to manufacture a machine, but after technological innovation, it only takes 20 hours to produce one machine. How many more machines can be produced now in the time it took to produce 25 machines?
一个工人原来制造机器要用24小时，技术革新后，只用20小时就可以生产一台，原来生产25台机器用的时间，现在可以多生产多少台？
<gadget id="calculator">24 * 25</gadget>
<output>600</output>

<gadget id="calculator">600 / 20</gadget>
<output>30</output>

<gadget id="calculator">30 - 25</gadget>
<output>5</output>

<result>5</result>