James decides to sell 80% of his toys.  He bought them for $20 each and sells them for $30 each.  If he had 200 toys how much more money did he have compared to before he bought them?
He bought all the toys for 20*200=$
<gadget id="calculator">20*200</gadget>
<output>4_000</output>
4000.
He sold 200*.8=
<gadget id="calculator">200*.8</gadget>
<output>160</output>
160 toys.
He made 160*30=$
<gadget id="calculator">160*30</gadget>
<output>4_800</output>
4800 from selling them.
So he profits 4800-4000=$
<gadget id="calculator">4800-4000</gadget>
<output>800</output>
800 profit.

<result>800</result>