Ship A travels 20 kilometers per hour, and ship B travels 25 kilometers per hour. By what percentage is the speed of ship B faster than that of ship A?
甲船每小时航行20千米，乙船每小时航行25千米，乙船的速度比甲船快百分之几？
<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>