Xiaohong read half of "Doraemon" on the first day, the whole book (1/8) on the second day, the rest on the third day, how much of the whole book on the third day
小红第一天看了《机器猫》的一半，第二天看了全书的(1/8)，剩下的第三天看完，第三天看了全书的多少
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/2) - (1/8)</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>