According to 1.28+1.52=2.8, 2.8/0.25=11.2, 3.2+11.2=14.4, what is the comprehensive formula listed?
根据1.28+1.52=2.8，2.8/0.25=11.2，3.2+11.2=14.4三道算式列出的综合算式是多少．
<gadget id="calculator">1.28 + 1.52</gadget>
<output>2.8</output>

<gadget id="calculator">2.8 / 0.25</gadget>
<output>11.2</output>

<gadget id="calculator">3.2 + 11.2</gadget>
<output>14.4</output>

<result>14.4</result>