Aunt Zhang’s family has 145 roosters, and the number of hens is 35 times less than that of roosters. How many hens does her family have?
张大妈家养了145只公鸡，母鸡的只数比公鸡的3倍少35只，她家养了多少只母鸡？
<gadget id="calculator">145 * 3</gadget>
<output>435</output>

<gadget id="calculator">435 - 35</gadget>
<output>400</output>

<result>400</result>