The school bought a batch of sporting goods, including 160 table tennis balls, four times the number of badmintons. How many fewer badmintons did the school buy than table tennis balls?
学校买来一批体育用品，其中乒乓球有160个，是买来羽毛球的4倍，学校买来羽毛球比乒乓球少多少个？
<gadget id="calculator">160 / 4</gadget>
<output>40</output>

<gadget id="calculator">160 - 40</gadget>
<output>120</output>

<result>120</result>