The school bought 5 tables for 980 yuan and 8 stools for 640 yuan. How much less does a stool cost than a table?
学校花980元买了5张桌子，花640元买8把凳子．一张凳子比一张桌子少用多少钱？
<gadget id="calculator">980 / 5</gadget>
<output>196</output>

<gadget id="calculator">640 / 8</gadget>
<output>80</output>

<gadget id="calculator">196 - 80</gadget>
<output>116</output>

<result>116</result>