Calculation: 3.51*49+35.1*5.1+49*51=how much.
计算：3.51*49+35.1*5.1+49*51=多少．
<gadget id="calculator">3.51 * 49</gadget>
<output>171.99</output>

<gadget id="calculator">35.1 * 5.1</gadget>
<output>179.01</output>

<gadget id="calculator">49 * 51</gadget>
<output>2_499</output>

<gadget id="calculator">171.99 + 179.01 + 2_499</gadget>
<output>2_850</output>

<result>2_850</result>