A stock whose closing price was 20 last Friday will be 25 this Friday. how much the stock has gone up
一只股票，上周五收盘价是20元，本周五收盘价是25元．这支股票上涨了多少
<gadget id="calculator">25 - 20</gadget>
<output>5</output>

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

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