Ship A traveled 49.5 kilometers in 3 hours, and ship B traveled 60.8 kilometers in 4 hours. Which ship travels faster? How much faster?
甲船3小时行了49.5千米，乙船4小时行了60.8千米．哪只船的行驶速度比较快？快多少？
<gadget id="calculator">49.5 / 3</gadget>
<output>16.5</output>

<gadget id="calculator">60.8 / 4</gadget>
<output>15.2</output>

<gadget id="calculator">16.5 - 15.2</gadget>
<output>1.3</output>

<result>1.3</result>