(7/8) tons of rice shipped from the cafeteria is equivalent to (5/7) of the flour shipped in. How many tons of rice and flour are shipped from the cafeteria?
食堂运来(7/8)吨大米，相当于运来面粉的(5/7)，食堂运来大米和面粉共多少吨？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">(7/8) / (5/7)</gadget>
<output>49/40 = around 1.225</output>

<gadget id="calculator">(49/40) + (7/8)</gadget>
<output>21/10 = around 2.1</output>

<result>21/10 = around 2.1</result>