A batch of TV sets are shipped from the store, 18 sets are sold, and the ratio of the remaining sets to the number of sets sold is 4:3, how many sets are shipped in total?
商店运来一批电视机，卖出18台，剩下的与卖出的台数比为4：3，共运来多少台电视机？
<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<gadget id="calculator">6 * 7</gadget>
<output>42</output>

<result>42</result>