The store shipped a total of 640 kg of oranges, apples and pears. The ratio of oranges to apples is 5:6, and the weight of pears is 3/10 that of apples. How many kilograms are there more oranges than pears?
商店运来橘子、苹果和梨一共640千克，橘子和苹果的比是5：6，梨的重量是苹果的(3/10)．问橘子比梨多多少千克？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

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

<gadget id="calculator">640 / (32/15)</gadget>
<output>300</output>

<gadget id="calculator">300 * (5/6)</gadget>
<output>250</output>

<gadget id="calculator">(3/10) * 300</gadget>
<output>90</output>

<gadget id="calculator">250 - 90</gadget>
<output>160</output>

<result>160</result>