What is the comprehensive formula of 2.72-1.53=1.19, 4.01+1.19=5.2, 78/5.2=15?
将2.72-1.53=1.19，4.01+1.19=5.2，78/5.2=15这组算式并成综合算式是多少．
<gadget id="calculator">2.72 - 1.53</gadget>
<output>1.19</output>

<gadget id="calculator">4.01 + 1.19</gadget>
<output>5.2</output>

<gadget id="calculator">78 / 5.2</gadget>
<output>15</output>

<result>15</result>