The sum of the two numbers is 76. If one addend is increased by 7.6 and the other is decreased by 6.7, what is the sum?
两个数的和是76．如果将一个加数增加7.6，另一个加数减少6.7，和是多少．
<gadget id="calculator">7.6 - 6.7</gadget>
<output>0.9</output>

<gadget id="calculator">76 + 0.9</gadget>
<output>76.9</output>

<result>76.9</result>