The school wants to buy a batch of chairs, and 8 chairs can be bought with 200 yuan. The existing 850 yuan, to buy 48 chairs, how much is the difference.
学校要购买一批椅子，用200元可买椅子8把．现有850元，要买48把椅子，还差多少元．
<gadget id="calculator">200 / 8</gadget>
<output>25</output>

<gadget id="calculator">48 * 25</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 - 850</gadget>
<output>350</output>

<result>350</result>