The school used 250 degrees of electricity last month, and this month it used more (1/5) than last month. How much electricity is used this month?
学校上月用电250度，本月比上月多用了(1/5)，本月用电多少度？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">250 * (6/5)</gadget>
<output>300</output>

<result>300</result>