In a cup of salt water, the mass ratio of salt to water is 1:5, and there are 100 grams of water, so how many grams is the mass of this cup of salt water?
一杯盐水，盐和水的质量比是1：5，其中水有100克，那么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">100 / (5/6)</gadget>
<output>120</output>

<result>120</result>