Jared wants to watch a series with four episodes. The first three episodes are 58 minutes, 62 minutes, and 65 minutes long respectively. If the four episodes last 4 hours, how long is the fourth episode?
The first three episodes are 58 + 62 + 65 = 
<gadget id="calculator">58+62+65</gadget>
<output>185</output>
185 minutes long.
In minutes, the four episodes last 4 x 60 = 
<gadget id="calculator">4*60</gadget>
<output>240</output>
240 minutes.
Then, the fourth episode is 240 - 185 = 
<gadget id="calculator">240-185</gadget>
<output>55</output>
55 minutes long.

<result>55</result>