Two kittens went fishing by the river, and they caught a total of 36 fish. Among them, the number of fish caught by the white cat was 7 times less than the number of fish caught by the white cat. How many fish did the white cat catch?
两只小猫去河边钓鱼，它们共钓上来36条鱼，其中花猫钓鱼的条数比白猫钓鱼条数的7倍少4条，白猫钓到多少条鱼．
<gadget id="calculator">36 + 4</gadget>
<output>40</output>

<gadget id="calculator">7 + 1</gadget>
<output>8</output>

<gadget id="calculator">40 / 8</gadget>
<output>5</output>

<result>5</result>