The weight of 7 zebras is 560kg, and the weight of an elephant is 800kg. How much does an elephant weigh more than a zebra?
7匹斑马的体重是560kg，一只大象的体重是800kg，一只大象比一匹斑马重多少kg？
<gadget id="calculator">560 / 7</gadget>
<output>80</output>

<gadget id="calculator">800 - 80</gadget>
<output>720</output>

<result>720</result>