Pack a batch of monosodium glutamate separately, if each bag contains 50 grams, 300 bags are needed; if it is changed to big bags, each bag contains 75 grams, how many big bags are needed? (Solve with ratio)
分装一批味精，如果每袋装50克，需要300只袋子；如果改为大袋子装，每袋装75克，需要多少只大袋子？(用比例解)
<gadget id="calculator">50 * 300</gadget>
<output>15_000</output>

<gadget id="calculator">15_000 / 75</gadget>
<output>200</output>

<result>200</result>