Naughty's family of three and Xiaoxiao's family of four went to a restaurant for dinner, and the two decided to share the meal cost according to the number of people. The mischievous family paid 120 yuan, how much did the two spend in total?
淘气一家三口和笑笑一家四口一起到餐馆用餐，两家决定按人数分摊餐费．淘气家付了120元，两家一共消费了多少钱？
<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">120 / (3/7)</gadget>
<output>280</output>

<result>280</result>