The sixth grade students made silk flowers for the National Day party. The first class made 160 silk flowers, the second class made fewer flowers than the first class (1/8), how many fewer silk flowers were made by the second class than the first class?
六年级同学为国庆晚会做绸花．一班做了160朵，二班做的朵数比一班少(1/8)，二班比一班少做绸花多少朵？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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

<result>20</result>