My mother bought 6 packs of potato chips and 4 boxes of jelly in the supermarket, which cost a total of 25.8 yuan. It is known that each bag of potato chips costs 2.3 yuan more than each box of jelly, how much is each box of jelly?
妈妈在超市买了6包薯片和4盒果冻，一共花了25.8元．已知每包薯片比每盒果冻多花2.3元，每盒果冻多少元？
<gadget id="calculator">25.8 + 13.8</gadget>
<output>39.6</output>

<gadget id="calculator">39.6 / 10</gadget>
<output>3.96</output>

<result>3.96</result>