Three carloads of apples are brought in, car A has 4 more boxes than car B, car B has 4 more boxes than car C, car A has 3 less apples per carton than car B, car B has 5 apples less than car C per carton, and car A has 4 more cartons than car C. Car B has 3 more apples than car B, and car B has 5 more apples than car C. How many apples are there in these three cars?
运来三车苹果，甲车比乙车多4箱，乙车比丙车多4箱，甲车比乙车每箱少3个苹果，乙车比丙车每箱少5个苹果，甲车比乙车总共多3个苹果，乙车比丙车总共多5个苹果，这三车苹果共有多少个？
<gadget id="calculator">0.8 * 20</gadget>
<output>16</output>

<gadget id="calculator">16 - 5</gadget>
<output>11</output>

<gadget id="calculator">11 * 20</gadget>
<output>220</output>

<gadget id="calculator">11 + 4</gadget>
<output>15</output>

<gadget id="calculator">20 - 5</gadget>
<output>15</output>

<gadget id="calculator">15 * 15</gadget>
<output>225</output>

<gadget id="calculator">4 + 4</gadget>
<output>8</output>

<gadget id="calculator">11 + 8</gadget>
<output>19</output>

<gadget id="calculator">20 - 8</gadget>
<output>12</output>

<gadget id="calculator">19 * 12</gadget>
<output>228</output>

<gadget id="calculator">220 + 225 + 228</gadget>
<output>673</output>

<result>673</result>