The five brothers shared the three houses left by their father equally. The eldest, second and third children each got one. The money is divided equally between the fourth and fifth children. In this way, each person will get the same inheritance, and the value of the house that the eldest will get is ten thousand yuan.
兄弟五人平分父亲遗留下来的三所房子，老大、老二、老三各得一所，作为补偿老大拿出9万元，老二拿出8万元，老三拿出7万元，这些钱平分给老四和老五．这样每人所得遗产相同，老大所得房子价值多少万元．
<gadget id="calculator">9 + 8 + 7</gadget>
<output>24</output>

<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<gadget id="calculator">12 + 9</gadget>
<output>21</output>

<result>21</result>