A fruit farmer picks apples from a fruit tree. If every 4 kilograms of apples are packed in a box, then after packing 28 boxes, there will be 3 kilograms left unpacked. How many kilograms are these apples in total?
果农从果树上采摘苹果，如果每4千克苹果装一箱，那么装了28箱后还剩3千克没有装．这些苹果一共有多少千克？
<gadget id="calculator">4 * 28</gadget>
<output>112</output>

<gadget id="calculator">112 + 3</gadget>
<output>115</output>

<result>115</result>