Mike buys 6 rose bushes at 75 dollars each, 2 of them are for his friend and the rest are for him.  He also buys 2 tiger tooth aloes for 100 dollars each.  How much money did he spend on plants for himself?
He bought 6-2=
<gadget id="calculator">6-2</gadget>
<output>4</output>
4 rose bushes for himself.
The rose bushes for himself cost 4*$75=$
<gadget id="calculator">4*75</gadget>
<output>300</output>
300.
He also spent 2*$100=$
<gadget id="calculator">2*100</gadget>
<output>200</output>
200 on aloes.
He spent a total of $200+$300=$
<gadget id="calculator">200+300</gadget>
<output>500</output>
500.

<result>500</result>