After 222 more than a number, it is 50,000. What should this number be?
比一个数多222后是5万，这个数应该是多少．
<gadget id="calculator">5 * 10_000</gadget>
<output>50_000</output>

<gadget id="calculator">50_000 - 222</gadget>
<output>49_778</output>

<result>49_778</result>