Blake needs to prime and paint 5 rooms in his house.  Each room will require a gallon of primer and a gallon of paint.  Currently the primer is $30.00 a gallon and they are offering 20% off.  The paint costs $25.00 a gallon and is not on sale.  How much will he spend on paint and primer?
The primer is $30.00 with 20% off so that's 30*.20 = $
<gadget id="calculator">30*.20</gadget>
<output>6</output>
6.00 off.
The primer is $30.00 and the discount is for $6.00 off so the sale price is 30-6 = $
<gadget id="calculator">30-6</gadget>
<output>24</output>
24.00 per gallon.
Blake needs 5 gallons of primer that is $24.00 a gallon so that's 5*24 = $
<gadget id="calculator">5*24</gadget>
<output>120</output>
120.00.
He needs 5 gallons of paint that cost $25.00 a gallon so that's 5*25 = $
<gadget id="calculator">5*25</gadget>
<output>125</output>
125.00.
The primer is $120.00 and the paint is $125.00 so all total, he will spend 120+125 = $
<gadget id="calculator">120+125</gadget>
<output>245</output>
245.00 on paint and primer.

<result>245</result>