Xiao Ming walked to see his grandma, his speed was about 120 m/min, he walked for 24 minutes, and ran for 8 minutes when he came back. How far is Xiao Ming's grandma's house? How many meters did Xiao Ming run on average per minute when he came back?
小明走路去看奶奶，他的速度大约是120米/分钟，走了24分钟，回来时跑步，用了8分钟．小明的奶奶家有多远？小明回来时平均每分钟跑多少米？
<gadget id="calculator">120 * 24</gadget>
<output>2_880</output>

<gadget id="calculator">2_880 / 8</gadget>
<output>360</output>

<result>360</result>