How many integers are greater than 180,000 and less than 190,000?
大于18万，小于19万的整数有多少个．
<gadget id="calculator">19 * 10_000</gadget>
<output>190_000</output>

<gadget id="calculator">18 * 10_000</gadget>
<output>180_000</output>

<gadget id="calculator">190_000 - 180_000 - 1</gadget>
<output>9_999</output>

<result>9_999</result>