The ratio of water, milk and sugar in a cup of milk tea is 5:3:2, now there are 45 grams of milk, how many grams of milk tea can be prepared.
一杯奶茶中水、奶和糖的比是5：3：2，现在有45克奶，能配制多少克奶茶．
<gadget id="calculator">5 + 3 + 2</gadget>
<output>10</output>

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

<gadget id="calculator">45 / (3/10)</gadget>
<output>150</output>

<result>150</result>