The weight of an elephant is 6300 kg, exactly 9 times that of a cow. How much does the cow weigh?
一头大象的体重是6300千克，正好是一头牛的9倍．这头牛重多少千克？
<gadget id="calculator">6_300 / 9</gadget>
<output>700</output>

<result>700</result>