The computer training center recently bought 4 computer desks and 5 chairs for 950 yuan, each chair is 90 yuan, how much is each computer desk?
电脑培训中心最近买了4张电脑桌和5把椅子共用去950元，每把椅子90元，每张电脑桌多少元？
<gadget id="calculator">90 * 5</gadget>
<output>450</output>

<gadget id="calculator">950 - 450</gadget>
<output>500</output>

<gadget id="calculator">500 / 4</gadget>
<output>125</output>

<result>125</result>