7086-42*480/560．
7086-42*480/560．
<gadget id="calculator">480 / 560</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">42 * (6/7)</gadget>
<output>36</output>

<gadget id="calculator">7_086 - 36</gadget>
<output>7_050</output>

<result>7_050</result>