Naughty walked 195 meters in 3 minutes, and Xiaoxiao walked 305 meters in 5 minutes. Which of them walked faster? How many meters per minute?
淘气3分钟走了195米，笑笑5分钟走了305米，他们俩谁走得快些？每分钟快多少米？
<gadget id="calculator">195 / 3</gadget>
<output>65</output>

<gadget id="calculator">305 / 5</gadget>
<output>61</output>

<gadget id="calculator">65 - 61</gadget>
<output>4</output>

<result>4</result>