The students were obliged to pick up plastic bags. Xiaohong picked up 28 plastic bags. The other students picked up 12 times more than Xiaohong. How many did they pick up in total?
同学们义务捡塑料袋，小红捡了28个，其他同学捡的总数是小红的12倍，他们一共捡了多少个？
<gadget id="calculator">28 * 12</gadget>
<output>336</output>

<gadget id="calculator">336 + 28</gadget>
<output>364</output>

<result>364</result>