The two sides of a triangle are 5 cm and 12 cm respectively, what is the shortest cm of the other side of this triangle?
一个三角形的两条边分别是5厘米、12厘米，这个三角形的还有一条边最短是多少厘米．
<gadget id="calculator">12 - 5</gadget>
<output>7</output>

<gadget id="calculator">7 + 1</gadget>
<output>8</output>

<result>8</result>