Processing 240 parts, A processes (1/8) of these parts every day, B processes (1/4) of these parts every day, how many more parts does B process than A every day.
加工240个零件，甲每天加工这批零件的(1/8)，乙每天加工这批零件的(1/4)，乙每天比甲多加工多少个零件．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">240 * (1/4)</gadget>
<output>60</output>

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

<gadget id="calculator">240 * (1/8)</gadget>
<output>30</output>

<gadget id="calculator">60 - 30</gadget>
<output>30</output>

<result>30</result>