Mom bought 4 boxes of milk and 1.2 kilograms of apples, which cost 6.2 yuan. Each box of milk is 1.1 yuan. How much is the price of apples per kilogram?
妈妈买了4盒牛奶和1.2千克苹果共用了6.2元，牛奶每盒1.1元，苹果每千克多少元？
<gadget id="calculator">1.1 * 4</gadget>
<output>4.4</output>

<gadget id="calculator">6.2 - 4.4</gadget>
<output>1.8</output>

<gadget id="calculator">1.8 / 1.2</gadget>
<output>1.5</output>

<result>1.5</result>