Number A is 57.3 more than Number B by 11.7, what is the sum of the two numbers?
甲数是57.3比乙数多11.7，两数和是多少？
<gadget id="calculator">57.3 - 11.7</gadget>
<output>45.6</output>

<gadget id="calculator">45.6 + 57.3</gadget>
<output>102.9</output>

<result>102.9</result>