22*47+42*53=how much.
22*47+42*53=多少．
<gadget id="calculator">22 * 47</gadget>
<output>1_034</output>

<gadget id="calculator">42 * 53</gadget>
<output>2_226</output>

<gadget id="calculator">1_034 + 2_226</gadget>
<output>3_260</output>

<result>3_260</result>