A school’s phone bill in May was 240 yuan, which was 60 yuan less than that in April. How much was the savings?
某校五月份电话费240元，比四月份节约60元，节约了百分之几？
<gadget id="calculator">240 + 60</gadget>
<output>300</output>

<gadget id="calculator">60 / 300</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>