A company spent 2.28 million yuan to build a new factory building, which was less than the original plan (2/21). How much was the savings?
某公司建造一幢新厂房用去228万元，比原计划节约了(2/21)，节约了多少万元？
<gadget id="calculator">2 / 21</gadget>
<output>2/21 = around 0.095238</output>

<gadget id="calculator">1 - (2/21)</gadget>
<output>19/21 = around 0.904762</output>

<gadget id="calculator">228 / (19/21)</gadget>
<output>252</output>

<gadget id="calculator">252 * (2/21)</gadget>
<output>24</output>

<result>24</result>