To build a factory building, the actual investment is 30,000 yuan, which is 1/11 less than the planned investment. How much is the original planned investment?
建一座厂房，实际投资3万元，比计划投资减少(1/11)，原计划投资多少万元？
<gadget id="calculator">1 / 11</gadget>
<output>1/11 = around 0.090909</output>

<gadget id="calculator">1 - (1/11)</gadget>
<output>10/11 = around 0.909091</output>

<gadget id="calculator">3 / (10/11)</gadget>
<output>33/10 = around 3.3</output>

<result>33/10 = around 3.3</result>