The school builds a teaching building. The actual investment is 2 million yuan, which is (1/11) less than the plan. How much is the planned investment?
学校建一栋教学楼．实际投资200万元，比计划节省了(1/11)，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">200 / (10/11)</gadget>
<output>220</output>

<result>220</result>