15.48*35-154.8*1.9+1.548*840．
15.48*35-154.8*1.9+1.548*840．
<gadget id="calculator">15.48 * 35</gadget>
<output>541.8</output>

<gadget id="calculator">154.8 * 1.9</gadget>
<output>294.12</output>

<gadget id="calculator">541.8 - 294.12</gadget>
<output>247.68</output>

<gadget id="calculator">1.548 * 840</gadget>
<output>1_300.32</output>

<gadget id="calculator">247.68 + 1_300.32</gadget>
<output>1_548</output>

<result>1_548</result>