The actual output value of a factory last year was 24 million yuan, which was 3/5 more than the plan. How much is the planned output value?
某工厂去年实际产值2400万元，比计划增长(3/5)，计划产值多少万元？
<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">2_400 / (8/5)</gadget>
<output>1_500</output>

<result>1_500</result>