A group of parents get together and decide to hire a private school teacher to quit his job and teach their children.  His former job paid 45,000 per year and they offered him a 20% raise.  If there are 9 kids how much does each parent have to pay?
His raise was 45,000*.2=$
<gadget id="calculator">45000*.2</gadget>
<output>9_000</output>
9,000.
So his new wage is 45,000+9,000=$
<gadget id="calculator">45000+9000</gadget>
<output>54_000</output>
54,000.
So they each have to pay him 54,000/9=$
<gadget id="calculator">54000/9</gadget>
<output>6_000</output>
6,000 per year.

<result>6_000</result>