Mark is injured so decides to spend more time reading.  He used to read 2 hours a day but increased that by 150%.  Before he read 100 pages a day.  How many pages does he read a week now?
His reading speed is 100/2=
<gadget id="calculator">100/2</gadget>
<output>50</output>
50 pages a day.
He reads 2*1.5=
<gadget id="calculator">2*1.5</gadget>
<output>3</output>
3 hours more now than before.
So now he reads 2+3=
<gadget id="calculator">2+3</gadget>
<output>5</output>
5 hours per day.
That means he reads 5*50=
<gadget id="calculator">5*50</gadget>
<output>250</output>
250 pages per day.
So he reads 250*7=
<gadget id="calculator">250*7</gadget>
<output>1_750</output>
1750 pages a week.

<result>1_750</result>