Calculate (1350+249+468)+(251+332+1650)=how much.
计算(1350+249+468)+(251+332+1650)=多少．
<gadget id="calculator">1_350 + 249 + 468</gadget>
<output>2_067</output>

<gadget id="calculator">251 + 332 + 1_650</gadget>
<output>2_233</output>

<gadget id="calculator">2_067 + 2_233</gadget>
<output>4_300</output>

<result>4_300</result>