It used to take 144 hours for a factory to build a machine, but after improving the technology, it can produce one machine in only 96 hours. In the original time to build 6 machines, how many machines can be built now?
一个工厂原来造一台机器要用144小时，改进技术后，只用96小时就可以生产一台．原来造6台机器的时间，现在可以造多少台？
<gadget id="calculator">144 / 96</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">6 * (3/2)</gadget>
<output>9</output>

<result>9</result>