A total of 320 tons of yellow sand, gravel, and cement were transported to the construction site. The tonnage of yellow sand is that of gravel (5/6), and the ton of cement is that of yellow sand (9/25). How many tons more is yellow sand than cement?
工地上运来黄沙、石子、水泥共320吨，黄沙吨数是石子的(5/6)，水泥吨数是黄沙的(9/25)，黄沙比水泥多多少吨．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">9 / 25</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">(5/6) * (9/25)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (5/6) + (3/10)</gadget>
<output>32/15 = around 2.133333</output>

<gadget id="calculator">320 / (32/15)</gadget>
<output>150</output>

<gadget id="calculator">150 * (5/6)</gadget>
<output>125</output>

<gadget id="calculator">125 * (9/25)</gadget>
<output>45</output>

<gadget id="calculator">125 - 45</gadget>
<output>80</output>

<result>80</result>