Calculation: 200981*200832-200982*200831.
计算：200981*200832-200982*200831．
<gadget id="calculator">200_981 * 200_832</gadget>
<output>40_363_416_192</output>

<gadget id="calculator">200_982 * 200_831</gadget>
<output>40_363_416_042</output>

<gadget id="calculator">40_363_416_192 - 40_363_416_042</gadget>
<output>150</output>

<result>150</result>