It is known that the sum of two numbers is 126.68, one of which is 58.2, what is the other?
已知两个数的和是126.68，其中一个数是58.2，另一个数是多少？
<gadget id="calculator">126.68 - 58.2</gadget>
<output>68.48</output>

<result>68.48</result>