Simplification: ((204*205-105)/(203*205+100)).
化简：((204*205-105)/(203*205+100))．
<gadget id="calculator">204 * 205</gadget>
<output>41_820</output>

<gadget id="calculator">41_820 - 105</gadget>
<output>41_715</output>

<gadget id="calculator">203 * 205</gadget>
<output>41_615</output>

<gadget id="calculator">41_615 + 100</gadget>
<output>41_715</output>

<gadget id="calculator">41_715 / 41_715</gadget>
<output>1</output>

<result>1</result>