In the final exam of last semester, Li Si's math score was 60% higher than Zhang San's, so how much less is Zhang San's math score than Li Si's.
在上学期的期末考试中，李四的数学成绩比张三多60%，那么张三的数学成绩比李四的成绩少多少．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - 1</gadget>
<output>0</output>

<gadget id="calculator">(3/5) + 0</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">(3/5) / (8/5)</gadget>
<output>3/8 = around 0.375</output>

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