The school bought some tables and chairs for a total of 4,240 yuan. The cost of the table is 125 yuan per piece, and the total cost of the chairs is 990 yuan. How many desks did the school buy?
学校买了一些桌椅一共用去4240元，桌子的费用是125元/张，椅子的费用一共是990元．学校买了多少张桌子？
<gadget id="calculator">4_240 - 990</gadget>
<output>3_250</output>

<gadget id="calculator">3_250 / 125</gadget>
<output>26</output>

<result>26</result>