Someone has done an experiment, and the weight of 500 mosquitoes is about 1 gram. According to this calculation, how many grams is the weight of 700 mosquitoes?
有人做过实验，500只蚊子的重量约是1克，照这样计算，700只蚊子的重量约是多少克．
<gadget id="calculator">1 / 500</gadget>
<output>1/500 = around 0.002</output>

<gadget id="calculator">(1/500) * 700</gadget>
<output>7/5 = around 1.4</output>

<result>7/5 = around 1.4</result>