The machine tool factory produced 240 machine tools this month, which was 3/5 more than last month. How many machines were produced last month?
机床厂本月生产机床240台，比上月超产(3/5)，上月生产了多少台？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">240 / (8/5)</gadget>
<output>150</output>

<result>150</result>