Barbara asked the butcher for 4 1/2 pound steaks that cost $15.00/pound.  She also asked for a pound and half of chicken breasts that were $8.00 a pound.  How much did she spend at the butchers?
She ordered 4 1/2 pound steaks so that's 4*.5 = 
<gadget id="calculator">4*.5</gadget>
<output>2</output>
2 pounds of steak.
The steak cost $15.00 a pound and she bought 2 pounds so that's 15*2 = $
<gadget id="calculator">15*2</gadget>
<output>30</output>
30.00 for 4 steaks.
She also needed 1.5 pounds of chicken breasts at $8.00 a pound so that's 1.5*8 = $
<gadget id="calculator">1.5*8</gadget>
<output>12</output>
12.00 for chicken.
The steaks cost $30.00 and the chicken cost $12.00 for a total of 30+12 = $
<gadget id="calculator">30+12</gadget>
<output>42</output>
42.00 spent at the butchers.

<result>42</result>