The mother cat caught 150 fish in 3 days, and the kitten caught 100 fish less than the mother cat. How many fish did the kitten catch?
猫妈妈3天钓了150条鱼，小猫比猫妈妈少钓100条，小猫钓了多少条鱼？
<gadget id="calculator">150 - 100</gadget>
<output>50</output>

<result>50</result>