The shopping mall bought a batch of computers and sold 72 of them. The ratio of sold to remaining was 9:5. How many computers are there in total?
商场进了一批电脑，卖出72台，卖出的与剩下的比是9：5．这批电脑共多少台？
<gadget id="calculator">72 / 9</gadget>
<output>8</output>

<gadget id="calculator">5 + 9</gadget>
<output>14</output>

<gadget id="calculator">8 * 14</gadget>
<output>112</output>

<result>112</result>