A chair is 68 yuan, and a table is 147 yuan. The school plans to buy 9 sets of desks and chairs. How much is the total cost?
一把椅子68元，一张桌子147元，学校准备购买9套课桌椅，一共需要多少元？
<gadget id="calculator">68 + 147</gadget>
<output>215</output>

<gadget id="calculator">215 * 9</gadget>
<output>1_935</output>

<result>1_935</result>