A cougar is sleeping for 4 hours at night, and a zebra for 2 hours more. How much time do both animals sleep in one week?
The zebra sleeps for 4 + 2 = 
<gadget id="calculator">4+2</gadget>
<output>6</output>
6 hours.
During one week, the cougar sleeps 4 * 7 = 
<gadget id="calculator">4*7</gadget>
<output>28</output>
28 hours.
And the zebra sleeps 6 * 7 = 
<gadget id="calculator">6*7</gadget>
<output>42</output>
42 hours.
Both animals sleep for 28 + 42 = 
<gadget id="calculator">28+42</gadget>
<output>70</output>
70 hours during one week.

<result>70</result>