A wheel on a certain machine makes 6 turns every 30 seconds. How many turns does it make in two hours?
Since there are 60 seconds in 1 minute, then there are 60/30 = 
<gadget id="calculator">60/30</gadget>
<output>2</output>
2 sets of 30 seconds in a minute.
So a wheel makes 6 x 2 = 
<gadget id="calculator">6*2</gadget>
<output>12</output>
12 turns in 1 minute.
Since there are 60 minutes in 1 hour, then a wheel makes 12 x 60 = 
<gadget id="calculator">12*60</gadget>
<output>720</output>
720 turns in an hour.
Therefore, the wheel makes 720 x 2 = 
<gadget id="calculator">720*2</gadget>
<output>1_440</output>
1440 turns in 2 hours.

<result>1_440</result>