Xiaohua has 20 more books than Xiaoming, Xiaoming has fewer books than Xiaohua (1/8), Xiaofang has Xiaoming's books (1/2), how many books does Xiaofang have?
小华有书的本数比小明多20本，小明书的本数比小华少(1/8)，小方有书的本数是小明的(1/2)，小方有书多少本？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">20 / (1/8)</gadget>
<output>160</output>

<gadget id="calculator">160 - 20</gadget>
<output>140</output>

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

<gadget id="calculator">140 * (1/2)</gadget>
<output>70</output>

<result>70</result>