It is stipulated that 4*2=4+44=48, 3*4=3+33+333+3333=3072, then 2*5=how much.
规定4*2=4+44=48，3*4=3+33+333+3333=3072，那么2*5=多少．
<gadget id="calculator">2 + 22 + 222 + 2_222 + 22_222</gadget>
<output>24_690</output>

<result>24_690</result>