James sells a $500,000 house for 20% over market value.  He splits the revenue with his 3 brothers.  How much does each person get after taxes take away 10%?
He sells the house for 1+.2=
<gadget id="calculator">1+.2</gadget>
<output>1.2</output>
1.2 times its value.
So he sells the house for 500,000*1.2=
<gadget id="calculator">500000*1.2</gadget>
<output>600_000</output>
600,000.
He splits the money 1+3=
<gadget id="calculator">1+3</gadget>
<output>4</output>
4 ways.
So each person gets 600,000/4=$
<gadget id="calculator">600000/4</gadget>
<output>150_000</output>
150,000 before taxes.
Taxes take away 150,000*.1=$
<gadget id="calculator">150000*.1</gadget>
<output>15_000</output>
15,000.
So each person gets 150,000-15,000=$
<gadget id="calculator">150000-15000</gadget>
<output>135_000</output>
135,000.

<result>135_000</result>