The shop sells 108 TVs, which is 30% of the total number of TVs. How many TVs are there?
商店卖出108台电视机，是电视机总数的30%，原有电视机多少台？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">108 / (3/10)</gadget>
<output>360</output>

<result>360</result>