Mom bought three kinds of fruits, among which (2/5) were strawberries, (1/4) were watermelons, and the rest were grapes. What percentage of these fruits do grapes make up?
妈妈买了三种水果，其中的(2/5)是草莓，(1/4)是西瓜，其余的都是葡萄．葡萄占这些水果的几分之几？
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<result>7/12 = around 0.583333</result>