The packaging bag of a box of biscuits says: net content 250 ± 5 grams, indicating that the net content of biscuits in the bag is not less than how many grams.
一盒饼干的包装袋上写着：净含量250±5克，说明袋中饼干的净含量不少于多少克．
<gadget id="calculator">250 - 5</gadget>
<output>245</output>

<result>245</result>