The restaurant bought (7/8) tons of rice, used (3/14) of this batch of rice on the first day, and used (5/16) tons on the second day, how many tons of rice are left?
饭店买来大米(7/8)吨，第一天用去这批大米的(3/14)，第二天用去(5/16)吨，还剩大米多少吨？
<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">5 / 16</gadget>
<output>5/16 = around 0.3125</output>

<gadget id="calculator">(7/8) - (3/16) - (5/16)</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>