19.38*39+193.8*1.7+1.938*440=how much.
19.38*39+193.8*1.7+1.938*440=多少．
<gadget id="calculator">19.38 * 39</gadget>
<output>755.82</output>

<gadget id="calculator">193.8 * 1.7</gadget>
<output>329.46</output>

<gadget id="calculator">1.938 * 440</gadget>
<output>852.72</output>

<gadget id="calculator">755.82 + 329.46 + 852.72</gadget>
<output>1_938</output>

<result>1_938</result>