After converting the pure recurring decimals whose integer part is 0 and whose recurring period is 3 into the simplest fractions, if the denominator is a two-digit number, how many such simplest fractions are there?
把整数部分是0，循环节是3的纯循环小数化成最简分数后，如果分母是一个两位数，那么这样的最简分数有多少个．
<gadget id="calculator">26 - 8</gadget>
<output>18</output>

<gadget id="calculator">18 + 36</gadget>
<output>54</output>

<result>54</result>