The new pad of paper has 120 pages. Sammy uses 25% of the pages for his science project, and another 10 pages for his math homework. How many pages remain in the pad?
He used 0.25*120=
<gadget id="calculator">0.25*120</gadget>
<output>30</output>
30 on science.
There were 120-30=
<gadget id="calculator">120-30</gadget>
<output>90</output>
90 pages left.
And then he has 90-10=
<gadget id="calculator">90-10</gadget>
<output>80</output>
80 after math.

<result>80</result>