When planting trees in a school, 12 or 16 trees are planted in each row, and they are all arranged in the entire row without any surplus. Ask at least how many trees?
学校植树，每行栽12棵、16棵两种栽法，都刚好排成整行而无剩余．问至少有多少棵树？
<gadget id="calculator">2 * 2 * 3 * 2 * 2</gadget>
<output>48</output>

<result>48</result>