There are two wooden boards, both 60 cm long, and the part nailed together in the middle is 10 cm long, then how long is the nailed board in cm?
有两块木板，长都是60厘米，中间钉在一起的部分是10厘米，那么钉成后的木板长多少厘米？
<gadget id="calculator">60 - 10</gadget>
<output>50</output>

<gadget id="calculator">50 + 50 + 10</gadget>
<output>110</output>

<result>110</result>