Grandpa Zhang swims every day. He swam 8,400 meters in 12 days. How many meters does he swim on average every day?
张爷爷每天都游泳，12天共游了8400米，平均每天游多少米？
<gadget id="calculator">8_400 / 12</gadget>
<output>700</output>

<result>700</result>