A story book uses 234 digits. How many pages does the book have?
一本故事书一共用了234个数码，这本书一共有多少页．
<gadget id="calculator">90 * 2</gadget>
<output>180</output>

<gadget id="calculator">234 - 9 - 180</gadget>
<output>45</output>

<gadget id="calculator">45 / 3</gadget>
<output>15</output>

<gadget id="calculator">99 + 15</gadget>
<output>114</output>

<result>114</result>