The students subscribed to "China Youth Daily". Class 1 of the third grade subscribed 3 copies more than Class 2. Class 1 subscribed 47 copies. How many copies did the two classes subscribe in total?
同学们订《中国少年报》，三年级1班比2班多订3份，1班订了47份，两个班一共订了多少份？
<gadget id="calculator">47 - 3</gadget>
<output>44</output>

<gadget id="calculator">44 + 47</gadget>
<output>91</output>

<result>91</result>