76 dictionaries have been shipped to the bookstore, 42 of which have been sold at 25 yuan each. How much more can the remaining dictionaries be sold for? (calculated in two ways)
书店里运来76本字典，已卖出42本，每本25元，剩下的字典还可以卖多少元？(用两种方法计算)
<gadget id="calculator">76 * 25</gadget>
<output>1_900</output>

<gadget id="calculator">42 * 25</gadget>
<output>1_050</output>

<gadget id="calculator">1_900 - 1_050</gadget>
<output>850</output>

<result>850</result>