Liangliang compiled a calculation program. When any number is input, the result on the display screen is equal to the reciprocal of the sum of the input number and 1. If you input 0 and input the displayed result again, what is the final displayed result
亮亮编制了一个计算程序，当输入任何一个数时，显示屏的结果等于所输入的数与1的和的倒数．若输入0，并将所显示的结果再次输入，最后显示的结果是多少
<gadget id="calculator">0 + 1 + 0 + 1</gadget>
<output>2</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">0 + (1/2)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>