2.89*6.37+4.63*2.89=how much.
2.89*6.37+4.63*2.89=多少．
<gadget id="calculator">2.89 * 6.37</gadget>
<output>18.4093</output>

<gadget id="calculator">4.63 * 2.89</gadget>
<output>13.3807</output>

<gadget id="calculator">18.4093 + 13.3807</gadget>
<output>31.79</output>

<result>31.79</result>