A man eats 5 sandwiches per day, his wife eats 4 sandwiches per day, and their son eats 2 sandwiches per day. How many sandwiches does this family eat in one week?
The number of sandwiches they eat in one day is 5 + 4 + 2 = 
<gadget id="calculator">5+4+2</gadget>
<output>11</output>
11 sandwiches.
The number of sandwiches they eat in a week is 11 * 7 = 
<gadget id="calculator">11*7</gadget>
<output>77</output>
77 sandwiches.

<result>77</result>