Teacher Li is reading a novel. If you read 34 pages a day, there will be 125 pages left after 20 days. How many pages does this novel have?
李老师看一本小说．如果每天看34页，20天后还剩125页．这本小说有多少页？
<gadget id="calculator">34 * 20</gadget>
<output>680</output>

<gadget id="calculator">680 + 125</gadget>
<output>805</output>

<result>805</result>