The school is going to hold a sports meeting and bought 22 boxes of soda. The number of boxes of soda is more than that of mineral water (4/7). How many boxes of mineral water have you bought?
学校准备开运动会，买来22箱汽水，买汽水的箱数比矿泉水多(4/7)，买了多少箱矿泉水？
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">1 + (4/7)</gadget>
<output>11/7 = around 1.571429</output>

<gadget id="calculator">22 / (11/7)</gadget>
<output>14</output>

<result>14</result>