When Spencer jumps rope, he jumps 4 times per minute. He jumps for 10 minutes each session and does 2 sessions each day. How many jumps will Spencer do in 5 days?
In 1 session he jumps 4 times/minute * 10 minutes = 
<gadget id="calculator">4*10</gadget>
<output>40</output>
40 times.
In 5 days he does 2 sessions/day * 5 days = 
<gadget id="calculator">2*5</gadget>
<output>10</output>
10 sessions.
He jumps 10 sessions * 40 times/session = 
<gadget id="calculator">10*40</gadget>
<output>400</output>
400 times in 5 days.

<result>400</result>