The grain store shipped 248 bags of rice, and the number of bags of white flour shipped was 50 bags less than twice that of rice. How many bags of white flour were shipped?
粮店运来大米248袋，运来白面的袋数比大米的2倍少50袋，运来白面多少袋？
<gadget id="calculator">248 * 2</gadget>
<output>496</output>

<gadget id="calculator">496 - 50</gadget>
<output>446</output>

<result>446</result>