The third grade students decided to send condolences to 3 military families on the "August 1st" Army Day. They bought a barrel of food oil for 78 yuan and apples for 25 yuan for each military family. How much did the third grade spend on the condolence activities? ?
三年级的同学决定"八一"建军节给3户军属送去慰问品，为每户军属买了一桶78元的食物油和25元的苹果，三年级为慰问活动共花了多少钱？
<gadget id="calculator">78 + 25</gadget>
<output>103</output>

<gadget id="calculator">103 * 3</gadget>
<output>309</output>

<result>309</result>