A batch of TV sets are shipped to the store, 18 sets are sold, and the ratio of the rest to the sales is 4:3. How many TV 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">3 + 4</gadget>
<output>7</output>

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

<result>42</result>