Uncle Li bought 5 kilograms of strawberries for 65 yuan, which is 5 yuan cheaper per kilogram of grapes than per kilogram of strawberries. How much is each kilogram of grapes?
李叔叔买5千克草莓共用65元，每千克葡萄比每千克草莓便宜5元，每千克葡萄多少元？
<gadget id="calculator">65 / 5</gadget>
<output>13</output>

<gadget id="calculator">13 - 5</gadget>
<output>8</output>

<result>8</result>