Workshop A has 50 more people than workshop B, and the ratio of people in workshop A to workshop B is 5:4. How many people are there in total in the two workshops?
甲车间比乙车间多50人，甲车间和乙车间的人数比是5：4，两车间共有多少人？
<gadget id="calculator">5 - 4</gadget>
<output>1</output>

<gadget id="calculator">50 / 1</gadget>
<output>50</output>

<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">50 * 9</gadget>
<output>450</output>

<result>450</result>