Dan is digging graves for a family killed by COVID-19. If it takes Dan 3 hours to dig an adult grave and 2 hours to dig a child's grave, how long does it take him to dig 5 adult graves and one child's grave?
First find the total amount of time Dan spends digging adult graves: 3 hours/grave * 5 graves = 
<gadget id="calculator">3*5</gadget>
<output>15</output>
15 hours.
Then add the time to dig the child's grave to find the total time he spends digging: 15 hours + 2 hours = 
<gadget id="calculator">15+2</gadget>
<output>17</output>
17 hours.

<result>17</result>