A shopping mall sells LCD TVs on Sunday. Half of the total number sold in the morning was more than 10 units, and the remaining half was sold in the afternoon, more than 15 units, leaving 40 units. How many LCD TVs are there in the shopping mall today?
某商场周日出售液晶电视机．上午售出总数的一半多10台，下午售出剩下的一半多15台，还剩40台．商场这天原有液晶电视机多少台．
<gadget id="calculator">40 + 15</gadget>
<output>55</output>

<gadget id="calculator">55 * 2</gadget>
<output>110</output>

<gadget id="calculator">110 + 10</gadget>
<output>120</output>

<gadget id="calculator">120 * 2</gadget>
<output>240</output>

<result>240</result>