The actual investment of a certain project is 5.8 million yuan, which is (1/30) less than the original plan. How much is the original planned investment?
某工程实际投资580万元，比原计划节约了(1/30)，原计划投资多少万元？
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">1 - (1/30)</gadget>
<output>29/30 = around 0.966667</output>

<gadget id="calculator">580 / (29/30)</gadget>
<output>600</output>

<result>600</result>