Calculation: 4.4*555+5.5*666=how much.
计算：4.4*555+5.5*666=多少．
<gadget id="calculator">4.4 * 555</gadget>
<output>2_442</output>

<gadget id="calculator">5.5 * 666</gadget>
<output>3_663</output>

<gadget id="calculator">2_442 + 3_663</gadget>
<output>6_105</output>

<result>6_105</result>