There are 43 roosters and 4 times as many hens as roosters, how many fewer roosters than hens?
公鸡有43只，母鸡只数是公鸡的4倍，公鸡比母鸡少多少只？
<gadget id="calculator">43 * 4</gadget>
<output>172</output>

<gadget id="calculator">172 - 43</gadget>
<output>129</output>

<result>129</result>