The weight of a pile of chemical fertilizer is equal to (7/8) plus (7/8) tons of this pile of chemical fertilizer. How many tons is this pile of chemical fertilizer?
一堆化肥的重量等于这堆化肥的(7/8)再加上(7/8)吨，这堆化肥有多少吨？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 - (7/8)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(7/8) / (1/8)</gadget>
<output>7</output>

<result>7</result>