The sum of two numbers is 6.3 greater than the first addend and 1.25 greater than the second addend. What is the sum of the two numbers?
两数之和比第一个加数大6.3，比第二个加数大1.25，两数之和是多少．
<gadget id="calculator">6.3 + 1.25</gadget>
<output>7.55</output>

<result>7.55</result>