To build a new teaching building, the original planned investment was 300,000 yuan, which actually saved (1/6). How much is the actual investment?
新建一栋教学楼，原计划投资30万元，实际节约了(1/6)．实际投资多少万元？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">30 * (5/6)</gadget>
<output>25</output>

<result>25</result>