A biscuit packaging bag is marked with "net weight 150 ± 4 grams", indicating that the standard quality of each bag of biscuits is 150 grams, and the actual bag is not less than how many grams.
一种饼干的包装袋上标着"净重150±4克"，表示每袋饼干标准的质量是150克，实际每袋最少不低于多少克．
<gadget id="calculator">150 - 4</gadget>
<output>146</output>

<result>146</result>