Students A, B, and C have stacked 1000 paper cranes in total. It is known that stack A has 100 fewer cranes than stack B, and stack C has 67 fewer than stack A. Ask: How many paper cranes did stack A make? crane?
A、B、C三名同学共叠了1000只纸鹤，已知A叠的比B叠的3倍少100只，C叠的比A叠的少67只，问：A叠了多少只纸鹤？
<gadget id="calculator">100 + 100 + 67 + 1_000</gadget>
<output>1_267</output>

<gadget id="calculator">1 + 3 + 3</gadget>
<output>7</output>

<gadget id="calculator">1_267 / 7</gadget>
<output>181</output>

<gadget id="calculator">3 * 181</gadget>
<output>543</output>

<gadget id="calculator">543 - 100</gadget>
<output>443</output>

<result>443</result>