A home appliance store shipped 250 LCD TV sets, which were (5/3) the number of refrigerators, and (3/10) the number of washing machines. How many washing machines were shipped?
某家电卖场运来液晶电视机250台，是运来冰箱台数的(5/3)，运来洗衣机的台数是冰箱台数的(3/10)，运来洗衣机多少台？
<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">250 / (5/3)</gadget>
<output>150</output>

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

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

<result>45</result>