The price of a table is 278 yuan, which is 2 yuan less than 4 times the price of a chair. How much is the price of this set of tables and chairs?
一张桌子售价278元，比一张椅子售价的4倍少2元，这套桌椅的售价是多少元？
<gadget id="calculator">278 + 2</gadget>
<output>280</output>

<gadget id="calculator">280 / 4</gadget>
<output>70</output>

<gadget id="calculator">70 + 278</gadget>
<output>348</output>

<result>348</result>