A workshop produces 160 machine tools in the first half of the year and 100 machine tools in the second half of the year. What percentage is the reduction in production? What is the correct column
某车间上半年生产机床160台，下半年生产机床100台，减产百分之几？正确列式为多少
<gadget id="calculator">160 - 100</gadget>
<output>60</output>

<gadget id="calculator">60 / 160</gadget>
<output>3/8 = around 0.375</output>

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