The school bought several sets of desks and chairs. It is known that each chair is 26 yuan, and each desk is 8 yuan less than twice the price of each chair. How much does each set of desks and chairs cost? (answer in two ways)
学校买来若干套课桌椅．已知每把椅子26元，每张课桌比每把椅子价钱的2倍少8元．每套课桌椅需要多少元？(用两种方法解答)
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">26 * 3</gadget>
<output>78</output>

<gadget id="calculator">78 - 8</gadget>
<output>70</output>

<result>70</result>