Carol sells tickets for an exhibition. During three days she sold tickets worth $960. One ticket costs $4. How many tickets on average did she sell during one of these three days?
Carol sold 960 / 4 = 
<gadget id="calculator">960/4</gadget>
<output>240</output>
240 tickets during three days.
So in one day, she sold on average 240 / 3 = 
<gadget id="calculator">240/3</gadget>
<output>80</output>
80 tickets.

<result>80</result>