The restaurant bought (7/8) tons of flour, used (3/14) of this batch of flour on the first day, and used (3/16) tons on the second day, how many tons of flour are left?
饭店买来面粉(7/8)吨，第一天用去这批面粉的(3/14)，第二天又用去(3/16)吨，剩下的面粉多少吨？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">3 / 14</gadget>
<output>3/14 = around 0.214286</output>

<gadget id="calculator">(7/8) * (3/14)</gadget>
<output>3/16 = around 0.1875</output>

<gadget id="calculator">3 / 16</gadget>
<output>3/16 = around 0.1875</output>

<gadget id="calculator">(7/8) - (3/16) - (3/16)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>