There are 144 black cattle on the grassland, three times the number of black cattle, and 12 times the number of yellow cattle, how many yellow cattle are there on the grassland?
草原上有黑牛144头，黑牛是花牛的3倍，而黄牛的头数又是花牛的12倍，草原上有黄牛多少头？
<gadget id="calculator">144 / 3</gadget>
<output>48</output>

<gadget id="calculator">48 * 12</gadget>
<output>576</output>

<result>576</result>