John took a test with 80 questions.  For the first 40 questions, she got 90% right.  For the next 40 questions, she gets 95% right.  How many total questions does she get right?
He gets 40*.9=
<gadget id="calculator">40*.9</gadget>
<output>36</output>
36 questions right for the first part.
For the second part, he gets 40*.95=
<gadget id="calculator">40*.95</gadget>
<output>38</output>
38 questions right.
So he gets a total of 36+38=
<gadget id="calculator">36+38</gadget>
<output>74</output>
74 questions right.

<result>74</result>