A monkey weighs 4 kilograms, the weight of a monkey is equal to the weight of two rabbits, and the weight of two rabbits is equal to the weight of 4 kittens. What is the combined weight of a rabbit and a kitten?
一只小猴重4千克，一只小猴的重量等于两只小兔的重量，两只小兔的重量等于4只小猫的重量．一只小兔和一只小猫的重量共多少千克？
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<result>3</result>