The school shipped (2/5) tons of cement, and the yellow sand that was shipped was twice as much (1/8) tons as the cement. How many tons of yellow sand were shipped?
学校运来(2/5)吨水泥，运来的黄沙比水泥的2倍还多(1/8)吨，运来黄沙多少吨？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) * 2</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(4/5) + (1/8)</gadget>
<output>37/40 = around 0.925</output>

<result>37/40 = around 0.925</result>