A paving team is paving the road. I worked for 3.7 hours in the morning and paved 166.5 meters, and worked for 4.5 hours in the afternoon and paved 261.9 meters. Is the paving speed faster in the morning or in the afternoon? How much faster?
一个铺路队正在铺路．上午工作了3.7小时，铺了166.5米，下午工作4.5小时，铺了261.9米，上午铺路的速度快还是下午铺路的速度快？快多少？
<gadget id="calculator">261.9 / 4.5</gadget>
<output>58.2</output>

<gadget id="calculator">166.5 / 3.7</gadget>
<output>45</output>

<gadget id="calculator">58.2 - 45</gadget>
<output>13.2</output>

<result>13.2</result>