Charles can earn $15 per hour when he housesits and $22 per hour when he walks a dog. If he housesits for 10 hours and walks 3 dogs, how many dollars will Charles earn?
Housesitting = 15 * 10 = 
<gadget id="calculator">15*10</gadget>
<output>150</output>
150.
Dog walking = 22 * 3 = 
<gadget id="calculator">22*3</gadget>
<output>66</output>
66.
Total earned is 150 + 66 = $
<gadget id="calculator">150+66</gadget>
<output>216</output>
216.

<result>216</result>