The soldier miscalculated 4*(□+8) as 4*□+8, and the calculated number is much less than the correct number.
小兵把4*(□+8)错算成4*□+8，算出的得数比正确得数少多少．
<gadget id="calculator">32 - 8</gadget>
<output>24</output>

<result>24</result>