The difference between two numbers is 56. When the minuend is increased by 18 and the subtrahend is increased by 8, what is the difference?
两个数相减的差是56，当被减数增加18，减数增加8时，差是多少．
<gadget id="calculator">18 - 8</gadget>
<output>10</output>

<gadget id="calculator">56 + 10</gadget>
<output>66</output>

<result>66</result>