What is the quotient of the sum of 2.7 and 4.5 divided by 144 plus 8.3?
2.7与4.5的和除144的商再加上8.3，和是多少？
<gadget id="calculator">2.7 + 4.5</gadget>
<output>7.2</output>

<gadget id="calculator">144 / 7.2</gadget>
<output>20</output>

<gadget id="calculator">20 + 8.3</gadget>
<output>28.3</output>

<result>28.3</result>