6.36*17.4-6.36-6.4*6.36．
6.36*17.4-6.36-6.4*6.36．
<gadget id="calculator">6.36 * 17.4</gadget>
<output>110.664</output>

<gadget id="calculator">6.4 * 6.36</gadget>
<output>40.704</output>

<gadget id="calculator">110.664 - 6.36 - 40.704</gadget>
<output>63.6</output>

<result>63.6</result>