Mike began to train to play basketball every day for a tournament. One day he plays a maximum of 2 hours. After a week of training, he increased the maximum time to 3 hours. How many hours did Mike train during the first two weeks?
One week is 7 days, so for one week, Mike trained for 7 * 2 = 
<gadget id="calculator">7*2</gadget>
<output>14</output>
14 hours.
The second week he began to train for 3 hours a day, so he trained for 7 * 3 = 
<gadget id="calculator">7*3</gadget>
<output>21</output>
21 hours.
That means Mike in total trained for 21 + 14 = 
<gadget id="calculator">21+14</gadget>
<output>35</output>
35 hours.

<result>35</result>