chemical fertilizer factory planned to produce 160 tons of fertilizer in January, but completed 60% of the plan in the first half of the month, and finished more (1/8) in the second half than the first half, so the actual output in January exceeded the original plan by a few percent.
某化肥厂一月份计划生产化肥160吨，结果上半月完成一月份计划的60%，下半月比上半月多完成(1/8)，这样一月份实际产量超过原计划的百分之几．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">(3/5) * (9/8)</gadget>
<output>27/40 = around 0.675</output>

<gadget id="calculator">(3/5) - 1</gadget>
<output>-2/5 = around -0.4</output>

<gadget id="calculator">(27/40) + (-2/5)</gadget>
<output>11/40 = around 0.275</output>

<result>11/40 = around 0.275</result>