cup of salt water, the mass ratio of salt to water is 1:5, and there is 80 grams more water than salt, what is the mass of this cup of salt water in grams?
一杯盐水，盐和水的质量比是1：5，其中水比盐多80克，这杯盐水质量有多少克．
<gadget id="calculator">1 + 5</gadget>
<output>6</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(5/6) - (1/6)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">80 / (2/3)</gadget>
<output>120</output>

<result>120</result>