The Kennel house keeps 3 German Shepherds and 2 Bulldogs. If a German Shepherd consumes 5 kilograms of dog food and a bulldog consumes 3 kilograms of dog food per day. How many kilograms of dog food will they need in a week?
The German Shepherds consume 3 x 5 = 
<gadget id="calculator">3*5</gadget>
<output>15</output>
15 kilograms of dog food per day.
The Bulldogs consume 2 x 3 = 
<gadget id="calculator">2*3</gadget>
<output>6</output>
6 kilograms of dog food per day.
The dogs can consume a total of 15 + 6 = 
<gadget id="calculator">15+6</gadget>
<output>21</output>
21 kilograms of dog food per day.
Therefore, they need 21 x 7 = 
<gadget id="calculator">21*7</gadget>
<output>147</output>
147 kilograms of dog food in a week.

<result>147</result>