A microwave oven is sold at a 25% discount, which is 150 yuan cheaper. What is the original price of this microwave oven?
一台微波炉按七五折出售，便宜了150元，这台微波炉的原价是多少元？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">150 / (1/4)</gadget>
<output>600</output>

<result>600</result>