Xiao Ming read page 63 today, which is yesterday's (1/9). Question: How many pages did Xiao Ming read yesterday?
小明今天看书63页，是昨天的(1/9)．问：小明昨天看书多少页？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">63 / (1/9)</gadget>
<output>567</output>

<result>567</result>