An ice cream vendor has 50 chocolate-flavored ice creams and 54 mango-flavored ice creams in his cart. If he sold 3/5 of the chocolate-flavored ice creams and 2/3 of the mango-flavored ice creams, how many total ice creams were not sold?
There were a total of 50 + 54 = 
<gadget id="calculator">50+54</gadget>
<output>104</output>
104 ice creams.
There were 50 x 3/5 = 
<gadget id="calculator">50*3/5</gadget>
<output>30</output>
30 chocolate-flavored ice creams sold.
There were 54 x 2/3 = 
<gadget id="calculator">54*2/3</gadget>
<output>36</output>
36 mango-flavored ice creams sold.
A total of 30 + 36 = 
<gadget id="calculator">30+36</gadget>
<output>66</output>
66 ice creams were sold.
So, 104 - 66 = 
<gadget id="calculator">104-66</gadget>
<output>38</output>
38 ice creams were not sold.

<result>38</result>