Calculation: 2+4+8+16+32+...+1024+2048.
计算：2+4+8+16+32+…+1024+2048．
<gadget id="calculator">2 + 2_048</gadget>
<output>2_050</output>

<gadget id="calculator">2_048 / 2</gadget>
<output>1_024</output>

<gadget id="calculator">1_024 / 2</gadget>
<output>512</output>

<gadget id="calculator">2_050 * 512</gadget>
<output>1_049_600</output>

<result>1_049_600</result>