There are some fairy tales and science fiction novels on the bookshelf. There are 47 books in total. The number of fairy tale novels is 3 times less than the number of science fiction novels. How many science fiction novels are there on your bookshelf?
书架上放着一些童话小说和科幻小说，一共有47本，童话小说的数量比科幻小说数量的4倍少3本．书架上放着多少本科幻小说？
<gadget id="calculator">47 + 3</gadget>
<output>50</output>

<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">50 / 5</gadget>
<output>10</output>

<result>10</result>