An engineering team invested 150,000 yuan to complete a project, which saved 50,000 yuan compared to the plan. How much was the savings?
某工程队投资15万元完成了一项工程，比计划节约了5万元，节约了百分之几？
<gadget id="calculator">15 + 5</gadget>
<output>20</output>

<gadget id="calculator">5 / 20</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>