6 kilograms of mutton are priced at 100 yuan, now 500 yuan, how many kilograms of mutton can you buy? (There are two ways to calculate, one must be the solution of the column equation.)
6千克羊肉售价100元，现在500元，可以购买羊肉多少千克？(用2种方法计算，一种必须是列方程解．)
<gadget id="calculator">500 / 100</gadget>
<output>5</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<result>30</result>