Two pieces of bread are needed for one regular sandwich. 3 pieces of bread are needed for a double meat sandwich. How many pieces of bread are needed for 14 regular sandwiches and 12 double meat sandwiches?
Regular = 2 * 14 = 
<gadget id="calculator">2*14</gadget>
<output>28</output>
28 pieces.
Double = 3 * 12 = 
<gadget id="calculator">3*12</gadget>
<output>36</output>
36 pieces
28 + 36 = 
<gadget id="calculator">28+36</gadget>
<output>64</output>
64 pieces
64 pieces of bread are needed for those sandwiches.

<result>64</result>