The school’s electricity bill in the first half of the year is 4,800 yuan, and the electricity bill in the second half of the year is 4,200 yuan. How much is the school’s electricity bill saved in the second half of the year compared to the first half?
学校上半年的电费是4800元，下半年的电费是4200元，学校下半年的电费比上半年节约了百分之几？
<gadget id="calculator">4_800 - 4_200</gadget>
<output>600</output>

<gadget id="calculator">600 / 4_800</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>