Aunt Li raised 87 roosters, and she raised four times as many hens as roosters. How many more hens than roosters?
李大妈养了87只公鸡，养的母鸡是公鸡的4倍．母鸡比公鸡多几只？
<gadget id="calculator">87 * 4</gadget>
<output>348</output>

<gadget id="calculator">348 - 87</gadget>
<output>261</output>

<result>261</result>