Kate saved $27 in March. She saved $13 in April and $28 in May. Then Kate spent $49 on a keyboard and $5 on a mouse. How much money does Kate have left?
The total amount of money saved is $27 + $13 + $28 = $
<gadget id="calculator">27+13+28</gadget>
<output>68</output>
68.
The total cost of the two products is $49 + $5 = $
<gadget id="calculator">49+5</gadget>
<output>54</output>
54.
Kate has $68 - $54 = $14 left.

<result>14</result>