Uncle Zhang ran on a 1,000-meter-long slope. He spent 3 minutes on the way there and 2 minutes on the way back. How many meters does Zhang Dabo run on average per minute?
张大伯在一条长1000米的坡路上跑步，去的时候用了3分，回来的时候用了2分．张大伯平均每分跑多少米？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1_000 * (2/5)</gadget>
<output>400</output>

<result>400</result>